title: A comparison of urine collection schedules with different predictability in a methadone clinic.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000534:rehabilitation* / Q000652:urine; D013048:Specimen Handling; D014556:Urine / Q000032:analysis*
chemical_list: D008691:Methadone