title: Difficult tracheal intubation: looking to the past to determine the future.
authors.forename: John E
authors.initials: JE
authors.lastname: Fiadjoe
authors.forename: Ronald S
authors.initials: RS
authors.lastname: Litman
mesh_terms: D058109:Airway Management / Q000379:methods*; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods*; D008297:Male