title: Methadone and theories of addiction.
mesh_terms: D006801:Humans; D008691:Methadone / Q000097:blood*; D009293:Opioid-Related Disorders / Q000534:rehabilitation*; D010815:Physician Impairment; D011957:Receptors, Opioid / Q000378:metabolism
chemical_list: D011957:Receptors, Opioid; D008691:Methadone