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11. Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. Czeizel AE; Dudás I N Engl J Med; 1992 Dec; 327(26):1832-5. PubMed ID: 1307234 [TBL] [Abstract][Full Text] [Related]
14. Multivitamins and prevention of neural tube defects: a need for detailed counselling. Blank CE; Kumar D; Johnson M Lancet; 1984 Feb; 1(8371):291. PubMed ID: 6143036 [No Abstract] [Full Text] [Related]