Weighing community and individual needs: clinical testing.
Rosenberg
L T
LT
D004311:Double-Blind Method; D004992:Ethics, Medical; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D005494:Folic Acid Deficiency; D006801:Humans; D009436:Neural Tube Defects / Q000209:etiology* / Q000517:prevention & control; D011247:Pregnancy; D011248:Pregnancy Complications
D005492:Folic Acid