1. The incidence of congenital heart disease in children born in Gothenburg 1941–1950;Carlgren;Brit Heart J,1959
2. Congenital heart disease in 56, 109 births;Mitchell;Circulation,1971
3. Incidence of heart disease in children in the City of Toronto;Rose;Canad Med Ass J,1964
4. Heart malformation in infancy: initial experience from a cardiosurgical unit;Rowe;New Zeal Med J,1961
5. Congenital cardiac malformation in the newborn period. Frequency in a children's hospital;Rowe;Canad Med Ass J,1960