Increase in unsafe homosexual behaviour.
van den Hoek
J A
JA
van Griensven
G J
GJ
Coutinho
R A
RA
D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D001727:Bisexuality; D005069:Evaluation Studies as Topic; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology; D006716:Homosexuality / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D009426:Netherlands / Q000453:epidemiology; D013587:Syphilis / Q000453:epidemiology