1. Congenital malformations in singletons;Myrianthopoulos;Birth Defects Orig Artic Ser,1974
2. Study of the incidence of hypospadias in Rochester, Minnesota, 1940–1970, and a case–control comparison of possible etiologic factors;Sweet;Mayo Clin Proc,1974
3. Comparative incidence of birth defects in negro and white children;Altemus;Pediatrics,1965
4. Congenital malformations and birth injuries in New York City;Wallace;Pediatrics,1953
5. Leading major congenital malformations among minority groups in the United States, 1981–1986;Chavez;MMWR,1988