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RESPIRATORY DISEASES IN CHILDREN: A REVIEW OF THE LITERATURE FROM JULY, 1921, TO JULY, 1923

H. OLDING FOUCAR, M.D.
Am J Dis Child. 1924;28(1):79-96. doi:10.1001/archpedi.1924.04120190082011.
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The thorax of the stillborn, of the new-born, and of normal infants has been studied roentgenologically by various authors. Evans1 found that the lung in fetal life is completely atelectatic, and fills the thorax. In the stillborn, the shape of the chest and the abdomen is ovoid, the lower ribs flaring to accommodate themselves to the wide upper abdomen. The upper pole of the thoracic cage is distinctly narrowed, the ribs are sloping, and there is an even density throughout the areas of the lung, the shadow of the heart not being distinguished from lung tissue. After respiration, the ribs are elevated and lie at right angles to the spine, and the upper thoracic cage is definitely increased in diameter. Evans had a series of plates taken after the lungs had been insufflated by means of a gas machine. In all cases he found gaseous distention of the stomach

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