title: Preoxygenation techniques: comparison of three minutes and four breaths.
mesh_terms: D000758:Anesthesia / Q000379:methods; D006801:Humans; D000860:Hypoxia / Q000517:prevention & control; D007431:Intraoperative Complications / Q000517:prevention & control; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D013390:Succinylcholine; D013874:Thiopental; D013997:Time Factors
chemical_list: D013390:Succinylcholine; D013874:Thiopental; D010100:Oxygen