Providers' perspectives on the best practices for HIV prevention for men who have sex with men in Berlin, Germany: lessons for policy and prevention.
Grov C, Restar A, Gussmann P, Schlemmer K, Rodr?guez-D?az CE. Providers' perspectives on the best practices for HIV prevention for men who have sex with men in Berlin, Germany: lessons for policy and prevention. AIDS Educ Prev. 2014 Dec; 26(6):485-99.