HC Deb 27 November 1985 vol 87 c571W
Mr. Alfred Morris

asked the Secretary of State for Education and Science what evidence he has on the efficacy of vitamin supplementation in the prevention of spina bifida.

Mr. Walden

I refer the right hon. Member to my reply of 25 November, at column399, to questions from the hon. Member for Crewe and Nantwich (Mrs. Dunwoody).

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