From the Centers for Disease Control and Prevention. Neural tube defect surveillance and folic acid intervention--Texas-Mexico border, 1993-1998.
D019587:Dietary Supplements; D005260:Female; D005492:Folic Acid; D006801:Humans; D007231:Infant, Newborn; D008800:Mexico / Q000453:epidemiology; D009436:Neural Tube Defects / Q000453:epidemiology* / Q000517:prevention & control*; D011159:Population Surveillance; D011247:Pregnancy; D013781:Texas / Q000453:epidemiology
D005492:Folic Acid