[On 2 cases of pneumomediastinum].
D002648:Child; D006801:Humans; D007223:Infant; D056885:Interstitial Cells of Cajal; D008478:Mediastinal Emphysema; D010949:Plasma; D010950:Plasma Cells; D011014:Pneumonia; D011020:Pneumonia, Pneumocystis / Q000150:complications*
PNEUMOMEDIASTINUM/in infancy and childhood; PNEUMONIA, INTERSTITIAL PLASMA CELL/complications