title: Reply from the authors.
authors: J G
authors: JG
authors: Hardman
authors: H M
authors: HM
authors: Al-Otaibi
mesh_terms: D005260:Female; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation / Q000379:methods*; D008297:Male; D010100:Oxygen / Q000378:metabolism*; D010102:Oxygen Inhalation Therapy
chemical_list: D010100:Oxygen