© 2005 Wiley-Liss, Inc.
Birth Defects Research (Part A) 73:663– 668 (2005)
Birth Defects Research (Part A): Clinical and Molecular Teratology 73:663– 668 (2005)
664
Birth Defects Research (Part A) 73:663– 668 (2005)
WANG ET AL.
IMPROVING CASE ASCERTAINMENT OF A POPULATION-BASED BIRTH DEFECTS REGISTRY
665
Birth Defects Research (Part A) 73:663– 668 (2005)
666
Birth Defects Research (Part A) 73:663– 668 (2005)
WANG ET AL.
IMPROVING CASE ASCERTAINMENT OF A POPULATION-BASED BIRTH DEFECTS REGISTRY
667
Birth Defects Research (Part A) 73:663– 668 (2005)
668
Birth Defects Research (Part A) 73:663– 668 (2005)
WANG ET AL.