1. Update on overall prevalence of major birth defects. Atlanta, Georgia; 1978–2005. Available from: http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5701a2.htm. Accessed December 7, 2021.
2. EUROCAT. Website database. Available from: https://eu-rdplatform.jrc.ec.europa.eu/eurocat/eurocat-data_en. Accessed December 7, 2021.
3. The Prevalence of Congenital Anomalies in Europe
4. STRESS IN FAMILIES WITH MEDICALLY FRAGILE CHILDREN