title: Poland: drug abuse in Eastern Europe.
authors.forename: A
authors.initials: A
authors.lastname: Johns
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control; D005061:Europe, Eastern / Q000453:epidemiology; D006801:Humans; D011044:Poland / Q000453:epidemiology; D015819:Substance Abuse, Intravenous / Q000453:epidemiology* / Q000517:prevention & control