Wave sign: personal observations and a review of chest films of 1,600 newborn infants.
D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging*; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging*; D013902:Radiography, Thoracic; D013950:Thymus Gland / Q000000981:diagnostic imaging