title: Frequency and determinants of unprotected sex among HIV-infected persons: the Swiss HIV cohort study.
authors.affiliation: Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and University of Zurich, Zurich, Switzerland. barbara.hasse@usz.ch
authors.forename: Barbara
authors.initials: B
authors.lastname: Hasse
authors.forename: Bruno
authors.initials: B
authors.lastname: Ledergerber
authors.forename: Bernard
authors.initials: B
authors.lastname: Hirschel
authors.forename: Pietro
authors.initials: P
authors.lastname: Vernazza
authors.forename: Tracy R
authors.initials: TR
authors.lastname: Glass
authors.forename: Andre
authors.initials: A
authors.lastname: Jeannin
authors.forename: John-Marc
authors.initials: JM
authors.lastname: Evison
authors.forename: Luigia
authors.initials: L
authors.lastname: Elzi
authors.forename: Matthias
authors.initials: M
authors.lastname: Cavassini
authors.forename: Enos
authors.initials: E
authors.lastname: Bernasconi
authors.forename: Dunja
authors.initials: D
authors.lastname: Nicca
authors.forename: Rainer
authors.initials: R
authors.lastname: Weber
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000437:Alcoholism / Q000523:psychology; D019380:Anti-HIV Agents / Q000627:therapeutic use; D015331:Cohort Studies; D005260:Female; D015658:HIV Infections / Q000188:drug therapy* / Q000523:psychology* / Q000635:transmission / Q000821:virology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000523:psychology; D013557:Switzerland; D047568:Unsafe Sex / Q000523:psychology* / Q000706:statistics & numerical data*; D019562:Viral Load; D055815:Young Adult
chemical_list: D019380:Anti-HIV Agents