title: Controversies in palliative medicine.
authors: G C
authors: GC
authors: Fenn
mesh_terms: D000701:Analgesics, Opioid; D000768:Anesthesia, General / Q000009:adverse effects*; D000075202:Contraindications; D006801:Humans; D007431:Intraoperative Complications; D014147:Tramadol
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol