[Collapsible trachea in infants. A cineradiographic study].
D002933:Cineradiography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012127:Respiratory Distress Syndrome, Newborn / Q000000981:diagnostic imaging* / Q000503:physiopathology; D012129:Respiratory Function Tests; D014132:Trachea / Q000503:physiopathology*; D014140:Tracheotomy