title: Couples testing may provide benefits to U.S. gay population.
mesh_terms: D015492:AIDS Serodiagnosis / Q000706:statistics & numerical data*; D017144:Focus Groups; D015658:HIV Infections / Q000175:diagnosis* / Q000517:prevention & control / Q000635:transmission; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D014481:United States