title: [HIV, gonorrhea, chlamydia and syphilis are increasing among homosexual men].
abstract: The incidence of gonorrhoea, chlamydia, syphilis and HIV infection is increasing among homosexual men in Stockholm, Sweden. This indicates that the frequency of unsafe sex is on the increase while the use of condoms is decreasing.
authors.affiliation: Södersjukhuset, Stockholm. anders.karlsson@venh.sos.sll.se
authors.forename: A
authors.initials: A
authors.lastname: Karlsson
authors.forename: B
authors.initials: B
authors.lastname: Hejdeman
authors.forename: T
authors.initials: T
authors.lastname: Pernetun
authors.forename: E
authors.initials: E
authors.lastname: Sandström
mesh_terms: D000293:Adolescent; D000328:Adult; D001290:Attitude; D002690:Chlamydia Infections / Q000453:epidemiology* / Q000635:transmission; D006069:Gonorrhea / Q000453:epidemiology* / Q000635:transmission; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D008875:Middle Aged; D021841:Safe Sex; D013548:Sweden / Q000453:epidemiology; D013587:Syphilis / Q000453:epidemiology* / Q000635:transmission