High coverage sites : HIV prevention among injecting drug users in transitional and developing countries : case studies. - Geneva : UNAIDS, 2006. - 75 p. ill. 30 cm. Includes bibliographical references. ISBN: 9291735310 Subjects--Topical Terms: AIDS (Disease)Intravenous drug abusers National Library of Medicine Call No.: WC 503.6 H 2006