Cilla, G Non-prevalence of HTLV-I infection among intravenous drug users in northern Spain. [electronic resource] - AIDS (London, England) Sep 1989 - 616-7 p. digital Publication Type: Letter ISSN: 0269-9370 Subjects--Topical Terms: HTLV-I Infections--epidemiologyHumansPrevalenceSpainSubstance Abuse, Intravenous