title: Apparent improvement in postoperative lung volumes by using the Entonox apparatus. A preliminary report.
mesh_terms: D000328:Adult; D000769:Anesthesia, Inhalation; D005260:Female; D059685:Herniorrhaphy; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000627:therapeutic use; D009609:Nitrous Oxide; D010100:Oxygen; D010146:Pain / Q000188:drug therapy; D011182:Postoperative Care; D013147:Spirometry; D014797:Vital Capacity
chemical_list: D009020:Morphine; D009609:Nitrous Oxide; D010100:Oxygen