Sandrah Proctor Eckel, PhD

Associate Professor of Population and Public Health Sciences

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Overview

I am an Associate Professor in the Division of Biostatistics of the Department of Preventive Medicine at the University of Southern California (USC). My work focuses on on statistical methods and applications in environmental epidemiology and exhaled breath biomarkers. I lead an NIEHS-funded R01 on statisical methods for exhaled nitric oxide and I lead the statistical group working on methods for sensor-based, integrated health monitoring systems for measuring environmental, physiological, and behavioral factors in epidemiological studies of asthma in children.

Publications

  • Longitudinal Transitions Between Use of Combustible, Noncombustible, and Multiple Cannabis Products From Adolescence to Young Adulthood and Intersections With Nicotine Use Am J Epidemiol. 2024 Apr 08; 193(4):617-625. . View in PubMed
  • Prenatal air pollution exposure is associated with inflammatory, cardiovascular, and metabolic biomarkers in mothers and newborns Environ Res. 2024 Mar 28; 252(Pt 1):118797. . View in PubMed
  • Increased Risk of Gestational Hypertension by Periconceptional Exposure to Ambient Air Pollution and Effect Modification by Prenatal Depression Hypertension. 2024 Mar 27. . View in PubMed
  • GPS-derived environmental exposures during pregnancy and early postpartum – Evidence from the madres cohort Sci Total Environ. 2024 Mar 25; 918:170551. . View in PubMed
  • Exposure to per- and polyfluoroalkyl substances and high-throughput proteomics in Hispanic youth Environ Int. 2024 Mar 23; 186:108601. . View in PubMed
  • Exposure to 4,4′-DDE in visceral adipose tissue and weight loss in adolescents from the Teen-LABS cohort Obesity (Silver Spring). 2024 Mar 22. . View in PubMed
  • Predicting the Climate Impact of Healthcare Facilities Using Gradient Boosting Machines Clean Environ Syst. 2024 Mar; 12. . View in PubMed
  • Exposure to perfluoroalkyl substances and longitudinal changes in bone mineral density in adolescents and young adults: A multi-cohort study Environ Res. 2024 Mar 01; 244:117611. . View in PubMed
  • Per- and polyfluoroalkyl substances, polychlorinated biphenyls, organochlorine pesticides, and polybrominated diphenyl ethers and dysregulation of MicroRNA expression in humans and animals-A systematic review Environ Res. 2024 Mar 01; 244:117832. . View in PubMed
  • Maternal Dietary Patterns During Pregnancy Are Linked to Hypertensive Disorders of Pregnancy Among a Predominantly Low-Income US Hispanic/Latina Pregnancy Cohort J Am Heart Assoc. 2024 Feb 27; e029848. . View in PubMed
  • The Role of Social Support and Acculturation Factors on Postpartum Mental Health Among Latinas in the MADRES Pregnancy Cohort J Immigr Minor Health. 2024 Feb; 26(1):72-80. . View in PubMed
  • Neighborhood Disadvantage and Autism Spectrum Disorder in a Population With Health Insurance JAMA Psychiatry. 2024 Feb 01; 81(2):209-213. . View in PubMed
  • Prenatal exposures to organophosphate ester metabolites and early motor development in the MADRES cohort Environ Pollut. 2024 Feb 01; 342:123131. . View in PubMed
  • Circulating microRNA expression and nonalcoholic fatty liver disease in adolescents with severe obesity World J Gastroenterol. 2024 Jan 28; 30(4):332-345. . View in PubMed
  • Prospective study of e-cigarette use and respiratory symptoms in adolescents and young adults Thorax. 2024 01 18; 79(2):163-168. . View in PubMed
  • Associations of per- and polyfluoroalkyl substances, polychlorinated biphenyls, organochlorine pesticides, and polybrominated diphenyl ethers with oxidative stress markers: A systematic review and meta-analysis Environ Res. 2023 Dec 15; 239(Pt 1):117308. . View in PubMed
  • Agricultural burning in Imperial Valley, California and respiratory symptoms in children: A cross-sectional, repeated measures analysis Sci Total Environ. 2023 Nov 25; 901:165854. . View in PubMed
  • Poor Sleep Quality Increases Gestational Weight Gain Rate in Pregnant People: Findings from the MADRES Study Res Sq. 2023 Sep 25. . View in PubMed
  • Preconceptional and prenatal exposure to air pollutants and risk of gestational diabetes in the MADRES prospective pregnancy cohort study Lancet Reg Health Am. 2023 Sep; 25:100575. . View in PubMed
  • Ambient temperature and air pollution associations with suicide and homicide mortality in California: A statewide case-crossover study Sci Total Environ. 2023 May 20; 874:162462. . View in PubMed
  • Effects of dual use of e-cigarette and cannabis during adolescence on cigarette use in young adulthood Tob Control. 2023 May 05. . View in PubMed
  • California’s early transition to electric vehicles: Observed health and air quality co-benefits Sci Total Environ. 2023 Apr 01; 867:161761. . View in PubMed
  • The interaction of e-cigarette use and mental health symptoms on risk of cigarette smoking initiation among young adults in the United States Addiction. 2023 12; 118(12):2317-2326. . View in PubMed
  • Prenatal air pollution, maternal immune activation, and autism spectrum disorder Environ Int. 2023 09; 179:108148. . View in PubMed
  • Maternal exposure to aircraft emitted ultrafine particles during pregnancy and likelihood of ASD in children Environ Int. 2023 08; 178:108061. . View in PubMed
  • Maternal obesity, diabetes, preeclampsia, and asthma during pregnancy and likelihood of autism spectrum disorder with gastrointestinal disturbances in offspring Autism. 2023 05; 27(4):916-926. . View in PubMed
  • Prenatal exposure to tailpipe and non-tailpipe tracers of particulate matter pollution and autism spectrum disorders Environ Int. 2023 01; 171:107736. . View in PubMed
  • Depression, perceived stress, and distress during pregnancy and EV-associated miRNA profiles in MADRES J Affect Disord. 2023 02 15; 323:799-808. . View in PubMed
  • A Vegetable, Oil, and Fruit Dietary Pattern in Late Pregnancy is Linked to Reduced Risks of Adverse Birth Outcomes in a Predominantly Low-Income Hispanic and Latina Pregnancy Cohort J Nutr. 2023 01 14; 152(12):2837-2846. . View in PubMed
  • Associations of Autism Spectrum Disorder with PM25 Components: A Comparative Study Using Two Different Exposure Models. Environ Sci Technol. 2023 01 10; 57(1):405-414. . View in PubMed
  • Prenatal exposures to organophosphate ester metabolite mixtures and children’s neurobehavioral outcomes in the MADRES pregnancy cohort Environ Health. 2023 09 22; 22(1):66. . View in PubMed
  • Urinary fluoride levels and metal co-exposures among pregnant women in Los Angeles, California Environ Health. 2023 10 26; 22(1):74. . View in PubMed
  • Prenatal ambient air pollution exposure and child weight trajectories from the 3rd trimester of pregnancy to 2 years of age: a cohort study BMC Med. 2023 09 07; 21(1):341. . View in PubMed
  • Longitudinal hierarchical Bayesian models of covariate effects on airway and alveolar nitric oxide Sci Rep. 2023 04 01; 13(1):5346. . View in PubMed
  • Sex-specific effects of prenatal organophosphate ester (OPE) metabolite mixtures and adverse infant birth outcomes in the maternal and developmental risks from environmental and social stressors (MADRES) pregnancy cohort Environ Res. 2023 06 01; 226:115703. . View in PubMed
  • Infants born preterm demonstrate reduced task-specific exploration during the scaffolded kick-activated mobile task J Mot Learn Dev. 2022 Dec; 10(3):429-448. . View in PubMed
  • Adverse childhood experiences and prenatal depression in the maternal and development risks from environmental and social stressors pregnancy cohort J Obstet Gynaecol. 2022 Oct; 42(7):3014-3020. . View in PubMed
  • Detected prenatal perfluorooctanoic acid (PFOA) exposure is associated with decreased fetal head biometric parameters in participants experiencing higher perceived stress during pregnancy in the MADRES cohort Environ Adv. 2022 Oct; 9. . View in PubMed
  • Independent associations of short- and long-term air pollution exposure with COVID-19 mortality among Californians Environ Adv. 2022 Oct; 9:100280. . View in PubMed
  • Quantifying Infant Exploratory Learning J Mot Learn Dev. 2022 Apr; 10(1):167-183. . View in PubMed
  • Asthma clustering methods: a literature-informed application to the children’s health study data J Asthma. 2022 07; 59(7):1305-1318. . View in PubMed
  • Secondhand nicotine vaping at home and respiratory symptoms in young adults Thorax. 2022 07; 77(7):663-668. . View in PubMed
  • Mobile daily diaries to characterize stressors and acute health symptoms in an environmental justice neighborhood Health Place. 2022 07; 76:102849. . View in PubMed
  • Time-activity and daily mobility patterns during pregnancy and early postpartum – evidence from the MADRES cohort Spat Spatiotemporal Epidemiol. 2022 06; 41:100502. . View in PubMed
  • Exposure to per- and Polyfluoroalkyl Substances and Markers of Liver Injury: A Systematic Review and Meta-Analysis Environ Health Perspect. 2022 04; 130(4):46001. . View in PubMed
  • Associations between testosterone, estradiol, and androgen receptor genotype with amygdala subregions in adolescents Psychoneuroendocrinology. 2022 03; 137:105604. . View in PubMed
  • Extracellular vesicle microRNA in early versus late pregnancy with birth outcomes in the MADRES study Epigenetics. 2022 03; 17(3):269-285. . View in PubMed
  • Household pesticide exposures and infant gross motor development in the MADRES cohort Paediatr Perinat Epidemiol. 2022 03; 36(2):220-229. . View in PubMed
  • Third trimester cortisol is positively associated with gestational weight gain in pregnant women with class one obesity Int J Obes (Lond). 2022 02; 46(2):366-373. . View in PubMed
  • Prenatal Exposure to Air Pollution and Autism Spectrum Disorder: Sensitive Windows of Exposure and Sex Differences Environ Health Perspect. 2022 01; 130(1):17008. . View in PubMed
  • In utero exposure to near-roadway air pollution and autism spectrum disorder in children Environ Int. 2022 01; 158:106898. . View in PubMed
  • Long-term air pollution and COVID-19 mortality rates in California: Findings from the Spring/Summer and Winter surges of COVID-19 Environ Pollut. 2022 Jan 01; 292(Pt B):118396. . View in PubMed
  • Association Between Ambient Air Pollution and Birth Weight by Maternal Individual- and Neighborhood-Level Stressors JAMA Netw Open. 2022 10 03; 5(10):e2238174. . View in PubMed
  • Perceived vulnerability to immigration policies among postpartum Hispanic/Latina women in the MADRES pregnancy cohort before and during the COVID-19 pandemic Womens Health (Lond). 2022 Jan-Dec; 18:17455057221125103. . View in PubMed
  • Evidence of susceptibility to autism risks associated with early life ambient air pollution: A systematic review Environ Res. 2022 05 15; 208:112590. . View in PubMed
  • Impaired Ability to Relax Pelvic Floor Muscles in Men With Chronic Prostatitis/Chronic Pelvic Pain Syndrome Phys Ther. 2022 07 04; 102(7). . View in PubMed
  • Identifying pre-conception and pre-natal periods in which ambient air pollution exposure affects fetal growth in the predominately Hispanic MADRES cohort Environ Health. 2022 11 26; 21(1):115. . View in PubMed
  • Near-roadway air pollution, immune cells and adipokines among obese young adults Environ Health. 2022 03 19; 21(1):36. . View in PubMed
  • Ambient air pollution and COVID-19 incidence during four 2020-2021 case surges Environ Res. 2022 05 15; 208:112758. . View in PubMed
  • Ambient Air Pollutant Exposures and COVID-19 Severity and Mortality in a Cohort of Patients with COVID-19 in Southern California Am J Respir Crit Care Med. 2022 08 15; 206(4):440-448. . View in PubMed
  • Prenatal Perfluorooctanoic Acid (PFOA) Exposure Is Associated With Lower Infant Birthweight Within the MADRES Pregnancy Cohort Front Epidemiol. 2022; 2:934715. . View in PubMed
  • Daily Associations of Air Pollution and Pediatric Asthma Risk Using the Biomedical REAI-Time Health Evaluation (BREATHE) Kit Int J Environ Res Public Health. 2022 03 17; 19(6). . View in PubMed
  • W-TSS: A Wavelet-Based Algorithm for Discovering Time Series Shapelets Sensors (Basel). 2021 Aug 28; 21(17). . View in PubMed
  • COVID-19 Mortality in California Based on Death Certificates: Disproportionate Impacts Across Racial/Ethnic Groups and Nativity medRxiv. 2021 Mar 03. . View in PubMed
  • Near-roadway air pollution associated with COVID-19 severity and mortality – Multiethnic cohort study in Southern California Environ Int. 2021 12; 157:106862. . View in PubMed
  • Long-term exposures to air pollutants affect FeNO in children: a longitudinal study Eur Respir J. 2021 11; 58(5). . View in PubMed
  • Asthma Disease Status, COPD, and COVID-19 Severity in a Large Multiethnic PopulationJ Allergy Clin Immunol Pract. 2021 10; 9(10):3621-3628. e2. . View in PubMed
  • Infants born preterm and infants born full-term generate more selective leg joint movement during the scaffolded mobile task Infancy. 2021 09; 26(5):756-769. . View in PubMed
  • Respiratory health, pulmonary function and local engagement in urban communities near oil development Environ Res. 2021 06; 197:111088. . View in PubMed
  • COVID-19 mortality in California based on death certificates: disproportionate impacts across racial/ethnic groups and nativity Ann Epidemiol. 2021 06; 58:69-75. . View in PubMed
  • Prenatal metal mixtures and fetal size in mid-pregnancy in the MADRES study Environ Res. 2021 05; 196:110388. . View in PubMed
  • Restructuring of amygdala subregion apportion across adolescence Dev Cogn Neurosci. 2021 04; 48:100883. . View in PubMed
  • Infants born full term and preterm increase the height of anti-gravity leg movements during a kick-activated mobile task using a scaffolded task environment Infancy. 2021 01; 26(1):168-183. . View in PubMed
  • Environ Health. 2021 11 27; 20(1):121. . View in PubMed
  • Association of Outdoor Ambient Fine Particulate Matter With Intracellular White Matter Microstructural Properties Among Children JAMA Netw Open. 2021 12 01; 4(12):e2138300. . View in PubMed
  • Using dynamic time warping self-organizing maps to characterize diurnal patterns in environmental exposures Sci Rep. 2021 12 15; 11(1):24052. . View in PubMed
  • Prenatal metal mixtures and child blood pressure in the Rhea mother-child cohort in Greece Environ Health. 2021 01 06; 20(1):1. . View in PubMed
  • Human Serum Albumin Cys34 Adducts in Newborn Dried Blood Spots: Associations With Air Pollution Exposure During Pregnancy Front Public Health. 2021; 9:730369. . View in PubMed
  • Extracellular vesicle-enriched miRNA profiles across pregnancy in the MADRES cohort PLoS One. 2021; 16(5):e0251259. . View in PubMed
  • Compliance in Controlled E-cigarette Studies Nicotine Tob Res. 2021 02 16; 23(3):614-618. . View in PubMed
  • Hierarchical Bayesian estimation of covariate effects on airway and alveolar nitric oxide Sci Rep. 2021 08 25; 11(1):17180. . View in PubMed
  • Information fraction estimation based on the number of events within the standard treatment regimen Biom J. 2020 Dec; 62(8):1960-1972. . View in PubMed
  • Biomedical REAl-Time Health Evaluation (BREATHE): toward an mHealth informatics platform JAMIA Open. 2020 Jul; 3(2):190-200. . View in PubMed
  • Prenatal Metal Mixtures and Birth Weight for Gestational Age in a Predominately Lower-Income Hispanic Pregnancy Cohort in Los Angeles Environ Health Perspect. 2020 11; 128(11):117001. . View in PubMed
  • Environmental chemical burden in metabolic tissues and systemic biological pathways in adolescent bariatric surgery patients: A pilot untargeted metabolomic approach Environ Int. 2020 10; 143:105957. . View in PubMed
  • Patterns and determinants of exhaled nitric oxide trajectories in schoolchildren over a 7-year period Eur Respir J. 2020 07; 56(1). . View in PubMed
  • Conceptualizing Health Behaviors as Acute Mood-Altering Agents: Implications for Cancer Control Cancer Prev Res (Phila). 2020 04; 13(4):343-350. . View in PubMed
  • Impact of different fixed flow sampling protocols on flow-independent exhaled nitric oxide parameter estimates using the Bayesian dynamic two-compartment model Physiol Rep. 2020 01; 8(1):e14336. . View in PubMed
  • Prenatal Maternal Cortisol Levels and Infant Birth Weight in a Predominately Low-Income Hispanic Cohort Int J Environ Res Public Health. 2020 09 21; 17(18). . View in PubMed
  • Sex-specific associations of autism spectrum disorder with residential air pollution exposure in a large Southern California pregnancy cohort Environ Pollut. 2019 Nov; 254(Pt A):113010. . View in PubMed
  • Study Design, Protocol and Profile of the Maternal And Developmental Risks from Environmental and Social Stressors (MADRES) Pregnancy Cohort: a Prospective Cohort Study in Predominantly Low-Income Hispanic Women in Urban Los Angeles BMC Pregnancy Childbirth. 2019 May 30; 19(1):189. . View in PubMed
  • Within-subject effects of environmental and social stressors on pre- and post-partum obesity-related biobehavioral responses in low-income Hispanic women: protocol of an intensive longitudinal study BMC Public Health. 2019 Feb 28; 19(1):253. . View in PubMed
  • Gestational diabetes mellitus, prenatal air pollution exposure, and autism spectrum disorder Environ Int. 2019 12; 133(Pt A):105110. . View in PubMed
  • Associations of gestational diabetes mellitus with residential air pollution exposure in a large Southern California pregnancy cohort Environ Int. 2019 09; 130:104933. . View in PubMed
  • Understanding the importance of key risk factors in predicting chronic bronchitic symptoms using a machine learning approach BMC Med Res Methodol. 2019 03 29; 19(1):70. . View in PubMed
  • Applying Multivariate Segmentation Methods to Human Activity Recognition From Wearable Sensors’ Data JMIR Mhealth Uhealth. 2019 02 07; 7(2):e11201. . View in PubMed
  • Assessment of Respiratory Health Symptoms and Asthma in Children near a Drying Saline Lake Int J Environ Res Public Health. 2019 10 11; 16(20). . View in PubMed
  • RISK EFFECTS OF NEAR-ROADWAY POLLUTANTS AND ASTHMA STATUS ON BRONCHITIC SYMPTOMS IN CHILDREN Environ Epidemiol. 2018 Jun; 2(2). . View in PubMed
  • Short-term effects of airport-associated ultrafine particle exposure on lung function and inflammation in adults with asthma Environ Int. 2018 09; 118:48-59. . View in PubMed
  • Association Between Air Pollution Exposure, Cognitive and Adaptive Function, and ASD Severity Among Children with Autism Spectrum Disorder J Autism Dev Disord. 2018 01; 48(1):137-150. . View in PubMed
  • Distributed representation of pelvic floor muscles in human motor cortex Sci Rep. 2018 05 08; 8(1):7213. . View in PubMed
  • Association of Prenatal Exposure to Ambient and Traffic-Related Air Pollution With Newborn Thyroid Function: Findings From the Children’s Health Study JAMA Netw Open. 2018 09 07; 1(5):e182172. . View in PubMed
  • Mining Public Datasets for Modeling Intra-City PM25 Concentrations at a Fine Spatial Resolution. Proc ACM SIGSPATIAL Int Conf Adv Inf. 2017 Nov; 2017. . View in PubMed
  • Bayesian estimation of physiological parameters governing a dynamic two-compartment model of exhaled nitric oxide Physiol Rep. 2017 Aug; 5(15). . View in PubMed
  • A Scalable Data Integration and Analysis Architecture for Sensor Data of Pediatric Asthma Proc Int Conf Data Eng. 2017 Apr; 2017:1407-1408. . View in PubMed
  • Optimal flow rate sampling designs for studies with extended exhaled nitric oxide analysis J Breath Res. 2017 Feb 22; 11(1):016012. . View in PubMed
  • Particulate matter air pollution and liver cancer survival Int J Cancer. 2017 08 15; 141(4):744-749. . View in PubMed
  • Genetic and epigenetic susceptibility of airway inflammation to PM25 in school children: new insights from quantile regression. Environ Health. 2017 08 18; 16(1):88. . View in PubMed
  • Air pollution affects lung cancer survival Thorax. 2016 10; 71(10):891-8. . View in PubMed
  • Phase 2 study of concurrent radiotherapy and temozolomide followed by temozolomide and lomustine in the treatment of children with high-grade glioma: a report of the Children’s Oncology Group ACNS0423 study Neuro Oncol. 2016 10; 18(10):1442-50. . View in PubMed
  • Traffic-related air pollution and alveolar nitric oxide in southern California children Eur Respir J. 2016 05; 47(5):1348-56. . View in PubMed
  • Exhaled NO: Determinants and Clinical Application in Children With Allergic Airway Disease Allergy Asthma Immunol Res. 2016 Jan; 8(1):12-21. . View in PubMed
  • Correction: Inducible Nitric Oxide Synthase Promoter Haplotypes and Residential Traffic-Related Air Pollution Jointly Influence Exhaled Nitric Oxide Level in Children PLoS One. 2016; 11(5):e0155567. . View in PubMed
  • A pilot study using carboplatin, vincristine, and temozolomide in children with progressive/symptomatic low-grade glioma: a Children’s Oncology Group study† Neuro Oncol. 2015 Aug; 17(8):1132-8. . View in PubMed
  • Spirometry effects on conventional and multiple flow exhaled nitric oxide in children J Asthma. 2015 Mar; 52(2):198-204. . View in PubMed
  • Chronic effects of air pollution on respiratory health in Southern California children: findings from the Southern California Children’s Health Study J Thorac Dis. 2015 Jan; 7(1):46-58. . View in PubMed
  • Inducible Nitric Oxide Synthase Promoter Haplotypes and Residential Traffic-Related Air Pollution Jointly Influence Exhaled Nitric Oxide Level in Children PLoS One. 2015; 10(12):e0145363. . View in PubMed
  • Determinants of Children’s Exhaled Nitric Oxide: New Insights from Quantile Regression PLoS One. 2015; 10(7):e0130505. . View in PubMed
  • Fraction of exhaled nitric oxide values in childhood are associated with 17q112-q12 and 17q12-q21 variants. J Allergy Clin Immunol. 2014 Jul; 134(1):46-55. . View in PubMed
  • Longitudinal effects of air pollution on exhaled nitric oxide: the Children’s Health Study Occup Environ Med. 2014 Jul; 71(7):507-13. . View in PubMed
  • On the importance of statistics in breath analysis–hope or curse? J Breath Res. 2014 Mar; 8(1):012001.. View in PubMed
  • Global trade, local impacts: lessons from California on health impacts and environmental justice concerns for residents living near freight rail yards Int J Environ Res Public Health. 2014 Feb 10; 11(2):1914-41. . View in PubMed
  • The cardiopulmonary effects of ambient air pollution and mechanistic pathways: a comparative hierarchical pathway analysis PLoS One. 2014; 9(12):e114913. . View in PubMed
  • Estimation of parameters in the two-compartment model for exhaled nitric oxide PLoS One. 2014; 9(1):e85471. . View in PubMed
  • Multiple-flow exhaled nitric oxide, allergy, and asthma in a population of older children Pediatr Pulmonol. 2013 Sep; 48(9):885-96. . View in PubMed
  • Single high flow exhaled nitric oxide is an imperfect proxy for distal nitric oxide Occup Environ Med. 2013 Jul; 70(7):519-20. . View in PubMed
  • Limit on the electron electric dipole moment using paramagnetic ferroelectric Eu05Ba0. 5TiO3. Phys Rev Lett. 2012 Nov 09; 109(19):193003. . View in PubMed
  • Modification of the association between ambient air pollution and lung function by frailty status among older adults in the Cardiovascular Health Study Am J Epidemiol. 2012 Aug 01; 176(3):214-23. . View in PubMed
  • Note: A high dynamic range, linear response transimpedance amplifier Rev Sci Instrum. 2012 Feb; 83(2):026106. . View in PubMed
  • Genetic and epigenetic variations in inducible nitric oxide synthase promoter, particulate pollution, and exhaled nitric oxide levels in childrenJ Allergy Clin Immunol. 2012 Jan; 129(1):232-9. e1-7. . View in PubMed
  • Residential traffic-related pollution exposures and exhaled nitric oxide in the children’s health study Environ Health Perspect. 2011 Oct; 119(10):1472-7. . View in PubMed
  • Surrogate screening models for the low physical activity criterion of frailty Aging Clin Exp Res. 2011 Jun; 23(3):209-16. . View in PubMed
  • Linking In-Vehicle Ultrafine Particle Exposures to On-Road Concentrations Atmos Environ (1994). 2012 Nov 01; 59:578-586. . View in PubMed