Tracheal dimensions in the living infant (preliminary report).
D001999:Bronchoscopy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007442:Intubation, Intratracheal / Q000592:standards*; D011859:Radiography; D014132:Trachea / Q000032:analysis* / Q000000981:diagnostic imaging / Q000502:physiology; D014140:Tracheotomy