title: Failed tracheal intubation.
authors.forename: G
authors.initials: G
authors.lastname: O'Sullivan
authors.forename: P A
authors.initials: PA
authors.lastname: Stoddart
mesh_terms: D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal; D007830:Larynx; D008397:Masks; D011247:Pregnancy; D013997:Time Factors