HBV, HIV, and the proscription of intercourse.
Harder
R H
RH
D003075:Coitus; D003275:Contraceptive Devices, Male; D005260:Female; D015658:HIV Infections / Q000517:prevention & control*; D006509:Hepatitis B / Q000517:prevention & control*; D006716:Homosexuality; D006801:Humans; D008297:Male