Safer sexual practices.
Christie
A
A
Employers Advisory Service on HIV/AIDS, Bradford, Yorkshire.
Toon
P
P
D001294:Attitude to Health; D017280:Condoms; D005194:Family Practice; D015658:HIV Infections / Q000635:transmission; D006801:Humans; D012725:Sexual Behavior; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000517:prevention & control