Hospitalizations of newborns with folate-sensitive birth defects before and after fortification of foods with folic acid.
Robbins JM, Tilford JM, Bird TM, Cleves MA, Reading JA, Hobbs CA. Hospitalizations of newborns with folate-sensitive birth defects before and after fortification of foods with folic acid. Pediatrics. 2006 Sep; 118(3):906-15.