TY - GEN AU - Schulman,J AU - Edmonds,L D AU - McClearn,A B AU - Jensvold,N AU - Shaw,G M TI - Surveillance for and comparison of birth defect prevalences in two geographic areas--United States, 1983-88 SN - 1545-8636 PY - 1993///0520 KW - California KW - epidemiology KW - Congenital Abnormalities KW - Georgia KW - Humans KW - Population Surveillance KW - Prevalence KW - Registries N1 - Publication Type: Comparative Study; Journal Article ER -