title: [Postoperative analgesia by intra-abdominal administration of nitrous oxide].
mesh_terms: D000328:Adult; D006801:Humans; D007274:Injections, Intraperitoneal; D008297:Male; D008875:Middle Aged; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D009609:Nitrous Oxide
vernacular_title: Posleoperatsionnoe obezbolivanie posledstvom vnutribriushnogo vvedeniia zakisi azota