[Risk groups in AIDS].
Clotet
B
B
Casals
A
A
D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D001782:Blood Donors; D006801:Humans; D012307:Risk Factors; D012725:Sexual Behavior; D015819:Substance Abuse, Intravenous
Grupos de riesgo en el SIDA.