title: Letter: Post-operative analgesia combined with doxapram.
mesh_terms: D004315:Doxapram / Q000009:adverse effects / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D006801:Humans; D009020:Morphine / Q000627:therapeutic use; D011183:Postoperative Complications / Q000188:drug therapy*
chemical_list: D009020:Morphine; D004315:Doxapram