title: Noninvasive ventilation versus nonrebreather bag-valve mask to achieve preoxygenation before intubation of hypoxic patients.
authors.forename: José Luis
authors.initials: JL
authors.lastname: Lopera
authors.forename: Salvador
authors.initials: S
authors.lastname: Quintana
mesh_terms: D016638:Critical Illness; D004867:Equipment Design; D006801:Humans; D000860:Hypoxia / Q000628:therapy*; D007442:Intubation, Intratracheal; D010100:Oxygen / Q000008:administration & dosage* / Q000097:blood*; D010108:Oxyhemoglobins / Q000032:analysis; D012121:Respiration, Artificial / Q000379:methods*
chemical_list: D010108:Oxyhemoglobins; D010100:Oxygen