@article {3228, title = {Preexposure chemoprophylaxis for HIV prevention.}, journal = {The New England journal of medicine}, volume = {364}, year = {2011}, month = {2011 Apr 7}, pages = {1374; author reply 1374-5}, keywords = {Adenine, Anti-HIV Agents, Deoxycytidine, Drug Therapy, Combination, HIV Infections, Homosexuality, Male, Humans, Male, Organophosphonates, Risk-Taking, Sexual Behavior}, issn = {1533-4406}, doi = {10.1097/QAI.0b013e3181fbc94f}, author = {Underhill, Kristen} }