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Holstad MM, Diiorio C, McCarty F.Holstad MM, et al.AIDS Patient Care STDS. 2011 Jul;25(7):431-8. doi: 10.1089/apc.2010.0331. Epub 2011 Jun 11.AIDS Patient Care STDS. 2011.PMID: 21663541Free PMC article.
Holstad MM, Ofotokun I, Higgins M, Logwood S.Holstad MM, et al.AIDS Behav. 2013 Nov;17(9):2954-62. doi: 10.1007/s10461-013-0581-2.AIDS Behav. 2013.PMID: 23934269Free PMC article.