title: Reducing variation: lung: Cash saved on unnecessary oxygen.
mesh_terms: D003362:Cost-Benefit Analysis; D003657:Decision Making; D004739:England; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000191:economics / Q000592:standards / Q000706:statistics & numerical data*; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications / Q000191:economics / Q000628:therapy*; D013222:State Medicine / Q000191:economics / Q000592:standards*