1. Abreu, A. L. D’: Methods of treatment of cyst of the lung. Brüssel, Sitzung v. Chir. (19. bis 22. 9. 1938). Verh. 11. Kongr. internat. Ges. Chir. 2, 656–658 (1939).
2. Aceto, G.: Air cysts in infants and children. Clin. pediatr. 33, 369–378 (1951).
3. Allbritten, F. F. jr., and J. Y. Templeton: Treatment of giant cysts of the lung. J. Thorac. Surg. 20, 749–760 (1950).
4. Almklov, J. R., and A. Hatoff: Pneumatoceles during the course of pneumonia in children. Amer. J. Dis. Childr. 72, 521 (1946).
5. Almeyda, J.: Solitary cystic disease of the lung. Brit. J. Tbc. 43, 74–84 (1949).