title: T-lymphocyte subsets in hospitalized drug abusers: is there more than meets the eye?
mesh_terms: D000293:Adolescent; D000328:Adult; D003932:Heroin; D006760:Hospitalization; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders; D013601:T-Lymphocytes / Q000145:classification*
chemical_list: D003932:Heroin