Investigation of upper airway problems in resuscitation. 1. Studies of pharyngeal x-rays and performance by laymen.
D006801:Humans; D010614:Pharynx / Q000000981:diagnostic imaging*; D011859:Radiography; D012137:Respiratory System; D012151:Resuscitation; D014965:X-Rays
PHARYNX/radiography; RESUSCITATION