Folic acid intake among U.S. women aged 15-44 years, National Health and Nutrition Examination Survey, 2003-2006.
Tinker
Sarah C
SC
National Center on Birth Defects and Developmental Disabilities, CDC, Atlanta, Georgia 30333, USA. zzu9@cdc.gov
Cogswell
Mary E
ME
Devine
Owen
O
Berry
Robert J
RJ