Changes

Despite the known [[Immunological and protective function of the foreskin| immunological functions]] of the [[foreskin]], Certain certain promoters of male circumcision attempted to link HIV infection to lack of [[circumcision]]. Three randomized controlled trials (RCTs) were carried out in Africa in an attempt to prove their hypothesis. Boyle & Hill (2011) however studied their reports and found disabling methodological and statistical errors that invalidated their purported findings.<ref name="boyle-hill2011">{{BoyleGJ HillG 2011}}</ref>