title: A U.S. Veterans Administration cooperative study on methadyl acetate.
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D006556:Heroin Dependence / Q000534:rehabilitation* / Q000652:urine; D006801:Humans; D008297:Male; D008691:Methadone / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use; D008692:Methadyl Acetate / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D010349:Patient Compliance; D014481:United States; D014493:United States Department of Veterans Affairs
chemical_list: D008692:Methadyl Acetate; D008691:Methadone