title: Confirmation of endotracheal tube placement during emergency intubation.
authors.forename: F S
authors.initials: FS
authors.lastname: Xue
authors.forename: X
authors.initials: X
authors.lastname: Liao
authors.forename: Q
authors.initials: Q
authors.lastname: Wang
mesh_terms: D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods*; D008297:Male; D014132:Trachea / Q000000981:diagnostic imaging*; D014463:Ultrasonography