title: [Respiratory depression after epidural morphine: two case reports].
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural; D005260:Female; D006801:Humans; D008297:Male; D009020:Morphine / Q000009:adverse effects*; D011183:Postoperative Complications; D012131:Respiratory Insufficiency / Q000139:chemically induced*
chemical_list: D009020:Morphine