1. Areechon, W. and Reid, L. 1963. Hypoplasia of lung with congenital diaphragmatic hemia. Brit. med. J. i, 230.
2. Oyamada, A., Gasul, B. M. and Holinger, P. H. 1953. Agenesis of the lung. Report of a case with a review of all previously reported cases. Amer. J. Dis. Child. 85, 182.
3. Potter, E. L. and Craig, J. M. 1975. Pathology of the Fetus and the Infant. 3rd edition, Chicago, Year Book Medical Publishers, Inc., p. 302.
4. Warkany, J. 1971. Congenital Malformations. Chicago, Year Book Medical Publishers, Inc., p. 606.
5. Warkany, J., Roth, C. B. and Wilson, J. G. 1948. Multiple congenital malformations. A consideration of aetiologic factors. Paediatrics 1, 462.