title: Implications of patients missing medication visits on a methadone program.
mesh_terms: D000553:Ambulatory Care; D006801:Humans; D008509:Medication Systems; D008605:Mental Health Services; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D019966:Substance-Related Disorders / Q000188:drug therapy* / Q000534:rehabilitation; D014481:United States
chemical_list: D008691:Methadone