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Epidemiology of twinning in the National Birth Defects Prevention Study, 1997 to 2007 |
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| Authors: | April L Dawson Sarah C Tinker Denise J Jamieson Charlotte A Hobbs Sonja A Rasmussen Jennita Reefhuis the National Birth Defects Prevention Study |
| Institution: | 1. National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia;2. Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee;3. National Center for Chronic Disease Prevention and Health Promotion, CDC, Atlanta, Georgia;4. College of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas;5. Office of Infectious Diseases, Atlanta, Georgia |
| Abstract: | |
| Keywords: | twinning ART IVF orofacial clefts clomiphene citrate |