1. 1. Gonzalez Maqueda I, Armada Romero E, Diaz Recasens J, et al. [Practice Guidelines of the Spanish Society of Cardiology for the management of cardiac disease in pregnancy]. Rev Esp Cardiol 2000; 53: 1474-95.
2. 2. Therrien J, Dore A, Gersony W, et al. CCS Consensus Conference 2001 update: recommendations for the management of adults with congenital heart disease. Part I. Can J Cardiol 2001; 17: 940-59.
3. 3. Nakazawa M, Aomi S, Akagi S, et al. Guidelines for indication and management of pregnancy and delivery in women with heart disease. Circulation Journal 2005; 69 Supplement: 1267-342.
4. 4. Robson SC, Hunter S, Boys RJ, Dunlop W. Serial study of factors influencing changes in cardiac output during human pregnancy. Am J Physiol 1989; 256: H1060-5.
5. 5. Brackley KJ, Ramsay MM, Broughton Pipkin F, Rubin PC. A longitudinal study of maternal bloodflow in normal pregnancy and the puerperium: analysis of Doppler waveforms using Laplace transform techniques. Br J Obstet Gynaecol 1998; 105: 68-77.