PLoS Medicine · 2005 · 2.4K citations · 27 references
Male circumcision provides a degree of protection against acquiring HIV infection, equivalent to what a vaccine of high efficacy would have achieved. Male circumcision may provide an important way of reducing the spread of HIV infection in sub-Saharan Africa. (Preliminary and partial results were presented at the International AIDS Society 2005 Conference, on 26 July 2005, in Rio de Janeiro, Brazil.).
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Discrete sequential boundaries for clinical trials
K. K. Gordon Lan, David L. DeMets · Biometrika · 1983 · 1.7K citations
The Analysis of Rates Using Poisson Regression Models
E. L. Frome · Biometrics · 1983 · 458 citations