HC Deb 09 February 1984 vol 53 c690W
Mrs. Renée Short

asked the Secretary of State for Education and Science how long he expects the clinical trial of the effect of extra vitamins on pregnant women at risk of bearing a spina bifida baby to continue.

Mr. Brooke

I understand from the Medical Research Council, which is conducting this controlled trial, that it is expected to take up to five years.

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