title: Proceedings: Nutritional status of heroin users enrolled in methadone maintenance.
mesh_terms: D001205:Ascorbic Acid / Q000097:blood; D002338:Carotenoids / Q000097:blood; D002784:Cholesterol / Q000097:blood; D003710:Demography; D005260:Female; D006400:Hematocrit; D006556:Heroin Dependence / Q000150:complications* / Q000188:drug therapy; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D009519:New York City; D009748:Nutrition Disorders / Q000209:etiology*; D012737:Sex Factors; D014801:Vitamin A / Q000097:blood
chemical_list: D014801:Vitamin A; D002338:Carotenoids; D002784:Cholesterol; D001205:Ascorbic Acid; D008691:Methadone