Prevención primaria de defectos congénitos – Nazer
Planificacion de sistema de vigilancia en salud publica – Teutsch & Thacker
Surveillance of birth defects- Luquetti & Koifman
Guidelines for Case Classification for the National Birth Rasmussen_BDR2003
Effective Coding in Birth Defects Surveilance
Monitoring of Congenital Malformations – Holtzman & Khoury
Primary Prevention of Congenital Anomalies: Recommendable, Feasible and Achievable – Taruscio et al
Public health surveillance historical origins methods and evaluation – Declich & Carter