Major potential confounder not addressed.
Vines
Jennifer
J
D017954:Africa South of the Sahara / Q000453:epidemiology; D002944:Circumcision, Male; D015986:Confounding Factors, Epidemiologic; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control; D015497:HIV-1; D006801:Humans; D015994:Incidence; D008297:Male; D012107:Research Design