Simultaneous frontal and lateral chest roentgenograms on low birth weight infants.
D006332:Cardiomegaly / Q000151:congenital / Q000000981:diagnostic imaging; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000000981:diagnostic imaging; D008478:Mediastinal Emphysema / Q000151:congenital / Q000000981:diagnostic imaging; D008722:Methods; D011835:Radiation Protection / Q000295:instrumentation; D013902:Radiography, Thoracic; D012119:Respiration; D012127:Respiratory Distress Syndrome, Newborn / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic