1. Outcome of cardiovascular surgery and pregnancy: a systematic review of the period 1984–1996;Weiss;Am. J. Obstet. Gynecol.,1998
2. Saving mothers' lives: reviewing maternal deaths to make motherhood safer: 2006–2008. The Eighth Report of the Confidential Enquiries into Maternal Deaths in the United Kingdom;Cantwell;BJOG.,2011
3. Cardiac Disease in Pregnancy, Good Practice Guideline No 13;Royal College of Obstetricians and Gynaecologists,2015
4. Prospective multicenter study of pregnancy outcomes in women with heart disease;Siu;Circulation,2001
5. Predictors of pregnancy complications in women with congenital heart disease;Drenthen;Eur. Heart J.,2010