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Ghanem KG, Shah N, Klein RS, Mayer KH, Sobel JD, Warren DL, Jamieson DJ, Duerr AC, Rompalo AM; HIV Epidemiology Research Study Group.Ghanem KG, et al.J Infect Dis. 2005 Feb 1;191(3):358-66. doi: 10.1086/427190. Epub 2004 Dec 28.J Infect Dis. 2005.PMID: 15633094