- Pregnancy termination following prenatal diagnosis of anencephaly or spina bifida: a systematic review of the literatureCandice Y Johnson
National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
Birth Defects Res A Clin Mol Teratol 94:857-63. 2012....
- Prenatal diagnosis of orofacial clefts, National Birth Defects Prevention Study, 1998-2004Candice Y Johnson
National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
Prenat Diagn 29:833-9. 2009..The aims of this study were to determine how frequently orofacial clefts were diagnosed prenatally and to investigate factors associated with prenatal diagnosis...
- Dependence of confounding on the target population: a modification of causal graphs to account for co-actionW Dana Flanders
Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
Ann Epidemiol 21:698-705. 2011..We propose a simple modification of DAG rules to overcome this limitation...