title: Grading scale for mask ventilation.
authors.forename: Richard
authors.initials: R
authors.lastname: Han
authors.forename: Kevin K
authors.initials: KK
authors.lastname: Tremper
authors.forename: Sachin
authors.initials: S
authors.lastname: Kheterpal
authors.forename: Michael
authors.initials: M
authors.lastname: O'Reilly
mesh_terms: D006801:Humans; D007442:Intubation, Intratracheal; D007828:Laryngoscopy; D011237:Predictive Value of Tests; D012121:Respiration, Artificial / Q000145:classification*; D012307:Risk Factors