title: Letter: dangerous sequence of morphine, metoclopramide and naloxone.
mesh_terms: D000328:Adult; D001049:Apnea / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008787:Metoclopramide / Q000009:adverse effects*; D009020:Morphine / Q000009:adverse effects*; D009270:Naloxone / Q000009:adverse effects; D011229:Preanesthetic Medication
chemical_list: D009270:Naloxone; D009020:Morphine; D008787:Metoclopramide