Cragan J D
Division of Birth Defects and Developmental Disabilities, National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, US Department of Health and Human Services, Atlanta, Georgia 30333, USA.
Teratology. 1999 Jul;60(1):42-8. doi: 10.1002/(SICI)1096-9926(199907)60:1<42::AID-TERA12>3.0.CO;2-Z.