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Manhart LE, Aral SO, Holmes KK, Foxman B.Manhart LE, et al. Among authors: aral so.Sex Transm Dis. 2002 Mar;29(3):133-43. doi: 10.1097/00007435-200203000-00003.Sex Transm Dis. 2002.PMID: 11875374
Nelson SJ, Hughes JP, Foxman B, Aral SO, Holmes KK, White PJ, Golden MR.Nelson SJ, et al. Among authors: aral so.Ann Epidemiol. 2010 Apr;20(4):308-17. doi: 10.1016/j.annepidem.2009.11.003. Epub 2010 Jan 13.Ann Epidemiol. 2010.PMID: 20071193Free PMC article.