Sexual transmission efficiency of hepatitis B virus and human immunodeficiency virus among homosexual men.
Kingsley
Rinaldo
Lyter
D015658:HIV Infections / Q000635:transmission*; D015497:HIV-1; D006509:Hepatitis B / Q000635:transmission*; D006716:Homosexuality; D006801:Humans; D008297:Male; D015337:Multicenter Studies as Topic; D011446:Prospective Studies; D012307:Risk Factors