1. De volmonis sanaripot, Liber III (Cap) XXV;Roland,1499
2. Cervical hernias;Mauer;J Thorac Surg,1946
3. Hernies du pouman;Morel-Lavalle;Bull Mem Soc Chir Par,1882
4. Cervical hernia of the lung;Jones;J Pediatr,1970
5. Lung hernias in children;Bronsther;J Pediatr Surg,1968