title: Opiate withdrawal after tramadol and patient-controlled analgesia.
authors.forename: A N
authors.initials: AN
authors.lastname: Thomas
authors.forename: M
authors.initials: M
authors.lastname: Suresh
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000009:adverse effects*; D000701:Analgesics, Opioid / Q000009:adverse effects*; D000075202:Contraindications; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine; D013375:Substance Withdrawal Syndrome / Q000209:etiology*; D014147:Tramadol / Q000009:adverse effects*
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol; D009020:Morphine