Safe sex?
Wright
R
R
Duke University, USA.
D017280:Condoms / Q000592:standards; D003267:Contraception / Q000379:methods; D005260:Female; D015658:HIV Infections / Q000517:prevention & control*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D012309:Risk-Taking; D012725:Sexual Behavior