title: A grading system for direct laryngoscopy.
authors.forename: R M
authors.initials: RM
authors.lastname: Levitan
authors.forename: J E
authors.initials: JE
authors.lastname: Hollander
authors.forename: E A
authors.initials: EA
authors.lastname: Ochroch
mesh_terms: D005931:Glottis / Q000033:anatomy & histology; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods; D007828:Laryngoscopy / Q000379:methods*