title: Couples study in Haiti shows reduction in heterosexual HIV transmission.
mesh_terms: D017280:Condoms / Q000706:statistics & numerical data; D003376:Counseling; D005260:Female; D015658:HIV Infections / Q000517:prevention & control; D006205:Haiti; D006801:Humans; D015994:Incidence; D008297:Male; D012725:Sexual Behavior