Private practice, competition, and methadone maintenance.
D003156:Community Mental Health Services / Q000191:economics*; D004465:Economic Competition; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000534:rehabilitation*; D011331:Private Practice / Q000191:economics; D014481:United States
D008691:Methadone