title: Levomethadyl acetate. Prolonged duration of opioid effects, including cross tolerance to heroin, in man.
mesh_terms: D000085:Acetates / Q000494:pharmacology; D000284:Administration, Oral; D000328:Adult; D000605:Amino Alcohols / Q000494:pharmacology / Q000627:therapeutic use*; D003692:Delayed-Action Preparations; D004123:Dimethylamines / Q000494:pharmacology / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D003932:Heroin / Q000008:administration & dosage / Q000037:antagonists & inhibitors; D006556:Heroin Dependence / Q000188:drug therapy; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D011680:Pupil / Q000187:drug effects; D013375:Substance Withdrawal Syndrome / Q000517:prevention & control; D019966:Substance-Related Disorders / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D000085:Acetates; D000605:Amino Alcohols; D003692:Delayed-Action Preparations; D004123:Dimethylamines; D003932:Heroin