title: Failed intubation and line of action.
mesh_terms: D000328:Adult; D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical / Q000379:methods*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal; D011247:Pregnancy