title: Oral methadone maintenance techniques in the management of morphine-type dependence.
mesh_terms: D005260:Female; D003932:Heroin; D006760:Hospitalization; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage*; D009020:Morphine; D011247:Pregnancy; D019966:Substance-Related Disorders / Q000188:drug therapy*
chemical_list: D003932:Heroin; D009020:Morphine; D008691:Methadone