BMJ 1995; 311 doi: (Published 23 September 1995) Cite this as: BMJ 1995;311:792

Ethics committees: impediments to research or guardians of ethical standards?

A typesetter's error occurred in this short report by Professor Alison E While (9 September, p 661). The table cited in the second paragraph under methods and results was omitted and is reproduced below.

Time taken by 43 district ethics committees to reply to letter seeking ethical approval

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