Poland: drug abuse in Eastern Europe.
Johns
A
A
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