1. Pneumomediastinum and pneumothorax complicating asthma in children;BIERMAN;Amer. J. Dis. Child.,1967
2. Pneumomediastinum;MUNSELL;J.A.M.A.,1968
3. The extra pleural air sign pneumomediastinum;LILLARD;Radiology,1965
4. Spontaneous eruption of air from the lung: 1. Pneumomediastinum;CHAPMAN;Amer. J. Med.,1955
5. Spontaneous tension pneumomediastinum complicating pulmonary tuberculosis;CLASS;Dis. Chest,1965