PT - JOURNAL ARTICLE AU - Marie-Claude Boily AU - Benoît R Mâsse AU - Dobromir Dimitrov TI - Oral antiretroviral pre-exposure prophylaxis reduces the risk of HIV acquisition among men who have sex with men AID - 10.1136/ebm1305 DP - 2011 Oct 01 TA - Evidence Based Medicine PG - 146--147 VI - 16 IP - 5 4099 - http://ebm.bmj.com/content/16/5/146.short 4100 - http://ebm.bmj.com/content/16/5/146.full SO - Evid Based Med2011 Oct 01; 16