asked the Secretary of State for Social Services (1) how the number and proportion of reported adverse reactions to the drug Halcion compares in each of its first three years with those of the first three years of the drug Dalmane;(2) how many National Health Service prescriptions there have been for the drug Halcion in each of the years it has been available;(3) what is the proportion of reported adverse reactions to the drug Halcion in each of the years it has been available on the National Health Service, and how this compares with the proportion of reported adverse reactions to similar drugs serving the same purpose in each of the first three years they were available;(4) how many official reports of adverse reactions there have been for the drug Halcion in each of the years it has been available on the National Health Service.

I shall let the right hon. Gentleman have a reply as soon as possible.