Bogaert M G, van der Straeten M
Scand J Respir Dis. 1979 Feb;60(1):17-9.
A pneumopericardium was seen in a 25-year-old man each time he developed a right-sided pneumothorax. The chest roentgenograms were suggestive of a pleuropericardial defect. This was confirmed by subsequent thoracotomy.