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Ebrahim SH, Anderson JE, Weidle P, Purcell DW.Ebrahim SH, et al. Among authors: purcell dw.AIDS Patient Care STDS. 2004 Jan;18(1):27-33. doi: 10.1089/108729104322740893.AIDS Patient Care STDS. 2004.PMID: 15006192
Purcell DW, Johnson CH, Lansky A, Prejean J, Stein R, Denning P, Gau Z, Weinstock H, Su J, Crepaz N.Purcell DW, et al.Open AIDS J. 2012;6:98-107. doi: 10.2174/1874613601206010098. Epub 2012 Sep 7.Open AIDS J. 2012.PMID: 23049658Free PMC article.