Mouth opening, craniocervical extension, and laryngoscopic positioning.
Mashour
George A
GA
D002574:Cervical Vertebrae / Q000033:anatomy & histology; D006257:Head / Q000033:anatomy & histology; D006801:Humans; D007828:Laryngoscopy / Q000379:methods*; D009055:Mouth / Q000033:anatomy & histology*