title: Death of patient urges better oxygen management.
mesh_terms: D000368:Aged; D002170:Canada; D004865:Equipment and Supplies, Hospital / Q000592:standards*; D005260:Female; D006801:Humans; D007603:Jurisprudence; D010102:Oxygen Inhalation Therapy / Q000401:mortality*; D011182:Postoperative Care / Q000592:standards; D012122:Ventilators, Mechanical / Q000592:standards*