§ 63. Mr. Holmanasked the Minister of Health whether the technical difficulties encountered in connection with the testing of urine for fluorine content have now been resolved; and the nature of these technical difficulties.
§ Miss Hornsby-SmithI would refer the hon. Member to the Answers to the hon. Member for Willesden, West (Mr. Viant) on 14th and 25th February and 4th and 9th March, in which it was explained why these studies are no longer necessary.