Folic acid supplementation for the prevention of neural tube defects US preventive services task force recommendation statement

Kirsten Bibbins-Domingo, David C. Grossman, Susan J. Curry, Karina W. Davidson, John W. Epling, Francisco A.R. Garcia, Alex R. Kemper, Alex H. Krist, Ann E. Kurth, C. Seth Landefeld, Carol M. Mangione, William R. Phillips, Maureen G. Phipps, Michael P. Pignone, Michael Silverstein, Chien Wen Tseng