title: Lesbians' risk of HIV infection is greater than most perceive.
mesh_terms: D001727:Bisexuality; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D018452:Homosexuality, Female; D006801:Humans; D008297:Male; D016485:Needle Sharing; D012307:Risk Factors; D012725:Sexual Behavior