1. The status of health in the European Union: Congenital malformations. EUROCAT Central Registry, University of Ulster [consultado 2 Ene 2012]. Disponible en: www.eurocat.ulster.ac.uk/pdf/.special-report-con-malfs.pdf
2. The incidence of congenital heart disease;Hoffman;J Am Coll Cardiol,2002
3. Paternal age and the occurrence of birth defects;Lian;Am J Hum Genet,1986
4. Exploración anatómica cardíaca: Ecocardiografía fetal;Martínez,2007
5. Textbook of fetal cardiology;Allan,2000