1. CONGENITAL MALFORMATIONS OF THE CARDIOVASCULAR SYSTEM IN A SERIES OF 6,053 INFANTS
2. Congenital cardiac malformations in the newborn period. Frequency in a childrens hospital;Rowe R. D.;Can. Med. Assoc. J.,1960
3. The incidence of congenital heart disease in Gothenburg;Calgren L. E.;Proc. Assoc. Eur. Cardiol.,1969
4. Congenital heart disease in a cohort of 19,502 births with long-term follow-up
5. Keith, J. D. Prevalence, Incidence and epidemiology. In Keith J. D. (eds.):, Heart Disease in Infancy and Childhood, Third Edition. New York: The Macmillan Company, 1978, p. 3.