title: Effects of preventive efforts among homosexual men.
authors.affiliation: Municipal Health Service, Department of Public Health and Environment, Amsterdam, The Netherlands.
authors.forename: R A
authors.initials: RA
authors.lastname: Coutinho
authors.forename: G J
authors.initials: GJ
authors.lastname: van Griensven
authors.forename: A
authors.initials: A
authors.lastname: Moss
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D006716:Homosexuality; D006801:Humans; D008297:Male