[Chlamydia decreasing mostly in Västerbotten--why?].
Boman
Jens
J
STD-kliniken, Norrlands universitetssjukhus, Umeå.
Nylander
Elisabet
E
D000328:Adult; D002690:Chlamydia Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011322:Primary Prevention; D055502:Secondary Prevention; D013548:Sweden / Q000453:epidemiology; D055815:Young Adult