Estimated protection too conservative.
Shelton
James D
JD
D017954:Africa South of the Sahara / Q000453:epidemiology; D002944:Circumcision, Male; D003627:Data Interpretation, Statistical; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control; D015497:HIV-1; D006801:Humans; D015994:Incidence; D008297:Male; D012107:Research Design