title: Methadone: a closer look at the controversy.
authors.forename: Jan
authors.initials: J
authors.lastname: Gaertner
authors.forename: Raymond
authors.initials: R
authors.lastname: Voltz
authors.forename: Christoph
authors.initials: C
authors.lastname: Ostgathe
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage; D006801:Humans; D008691:Methadone / Q000009:adverse effects* / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000209:etiology* / Q000517:prevention & control*; D010146:Pain / Q000517:prevention & control*; D010166:Palliative Care / Q000379:methods* / Q000639:trends*
chemical_list: D000701:Analgesics, Opioid; D008691:Methadone