title: Sex as a risk factor for HTLV-I spread among intravenous drug abusers.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis; D017977:Deltaretrovirus / Q000276:immunology; D006800:Deltaretrovirus Infections / Q000453:epidemiology / Q000635:transmission*; D005260:Female; D006801:Humans; D008297:Male; D012306:Risk; D012384:Rome; D012725:Sexual Behavior; D019966:Substance-Related Disorders / Q000150:complications*
chemical_list: D000914:Antibodies, Viral