1. Leo: härte 10 Author(s): Wilinski, Atelier Klaus, author, illustrator Publication: Mainz : Landeszentrale für Gesundheitsförderung Rheinland-Pfalz, [1993] Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlSubstance Abuse, Intravenous -- prevention & controlSubstance Abuse, Intravenous -- complicationsNeedle Sharing -- adverse effectsHealth Knowledge, Attitudes, PracticeHealth Promotion
