title: The intubation depth marker: the confusion of the black line.
authors.forename: Sunita
authors.initials: S
authors.lastname: Goel
authors.forename: Suan-Ling
authors.initials: SL
authors.lastname: Lim
mesh_terms: D002648:Child; D004867:Equipment Design; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*