title: Is 50% oxygen harmful?
authors.forename: A H
authors.initials: AH
authors.lastname: Morris
mesh_terms: D006321:Heart / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000503:physiopathology; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects*; D012129:Respiratory Function Tests