1. Guidelines for clinical practice. From development to use;KN, Field M.J.Lohr,1992
2. Guidelines in general practice: the new Tower of Babel?;Hibble, A.; Kanka, D.; Pencheon, D.; Pooles, F.;BMJ,1998
3. Potential benefits, limitations and harms of clinical guidelines;Woolf, S.H.; Grol, G.; Hutchison, A.; Eccles, M.; Grimshaw, J.G.;BMJ,1998
4. North of England evidence based guidelines development project: methods of guideline development;Eccles, M.; Clapp, Z.; Grimshaw, J.; Adams, P.C.; Higgins, B.; Purves, I.;BMJ,1996
5. Evaluating ‘payback’ on biomedical research;Chalmers, I.;BMJ,2000