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Johnson SS, Jackson KC, Mietchen MS, Sbai S, Schwartz EJ, Lofgren ET.Johnson SS, et al. Among authors: schwartz ej.Int J Environ Res Public Health. 2021 Aug 4;18(16):8260. doi: 10.3390/ijerph18168260.Int J Environ Res Public Health. 2021.PMID: 34444008Free PMC article.
Schwartz EJ, Morgan M, Lapin S.Schwartz EJ, et al.Epidemiol Infect. 2015 Jun;143(8):1606-9. doi: 10.1017/S0950268814002684. Epub 2014 Oct 13.Epidemiol Infect. 2015.PMID: 25306974Free PMC article.
Vaidya NK, Morgan M, Jones T, Miller L, Lapin S, Schwartz EJ.Vaidya NK, et al. Among authors: schwartz ej.Epidemiol Infect. 2015 Jun;143(8):1610-20. doi: 10.1017/S0950268814002568. Epub 2014 Oct 17.Epidemiol Infect. 2015.PMID: 25323631Free PMC article.