title: Oxygen--luxury or necessity? Is there a need for post-operative oxygen in the recovery room?
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010092:Oximetry; D010102:Oxygen Inhalation Therapy; D011182:Postoperative Care; D011997:Recovery Room