1. Perloff JK: The Clinical Recognition of Congenital Heart Disease, ed 2. Philadelphia, WB Saunders, 1978
2. Cannell DE, Vernon CP: Congenital heart disease and pregnancy. Am J Obstet Gynecol 85: 744–753, 1963
3. Szekely P, Snaith L: Heart Disease and Pregnancy. Edinburgh, London, Churchill Livingstone, 1974
4. Devereux RB, Perloff JK, Reichek N, et al: Mitral valve prolapse,. Circulation 54: 3–14, 1976
5. Arias F: Maternal death in a patient with Eisenmenger’s syndrome. Obstet Gyneco 150: 765–805, 1977