Trends in sexual behavior among German medical students, 1991-1997.
Klewer
J
J
Kugler
J
J
D000328:Adult; D017280:Condoms; D005260:Female; D005858:Germany / Q000453:epidemiology; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D008297:Male; D012309:Risk-Taking; D012725:Sexual Behavior; D019966:Substance-Related Disorders