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2. Local research ethics committees;Harries, H.; Fentem, P.; Tuxworth, W.; Hoinville, G.;Journal of the Royal College of Physicians of London,1994
3. Ethics approval for a national postal survey: recent experience;Middle, C.; Johnson, A.; Petty, T.; Sims, L.; Macfarlane, A.;British Medical Journal,1995
4. Cross district comparison of applications to research ethics committees;Garfield, P.,1995
5. Ethics committees: impediments to research or guardians of ethical standards?;While, A.;British Medical Journal,1995