1. Keating L, Carter H, Darwent M, Bateman S, Mackay DM, Pullinger R. Partnership working in the production of clinical guidelines. Health Information and Libraries Journal 2004;21:46-51. 2. McGowan J, Sampson M. Systematic reviews need systematic searches. J Med Libr Assoc 2005;93:74-80. 3. Irvin E, Burlan A, Day D, Bombardier C. Are search strategies reported accurately in reviews? In. Evidence, health care and culture: abstract book. 11th International Cochrane Colloquium 26-31 Octiber 2003, Barcelona, Spain. 4. Sampson M, McGowan J. Errors in search strategies were identifies by type and frequency. J Clin Epidemiol 2006 ; 59:1057-1063. 5. Brazier H. Poorly executed and inadequately documented? An análisis of the literatura searches on which systematic reviews are based. Poster presented at: 2nd Symposium on Systematic Reviews: Beyond the Basics. Oxford, UK, 5-7 January 1999. 6. Harris MR. The librarian’s roles in the systematic review process: a case study. J Med Libr Assoc 2005;93(1):81-7. 7. Haynes RB. Of studies, syntheses, synopses, summaries, and systems: the "5S" evolution of information services for evidence-based health care decisions. ACP J Club. 2006 Nov-Dec;145(3):A8. 8. Moher D, Cook DJ, Eastwood S, Olkin I, Rennie D, Stroup DF. Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement. Quality of Reporting of Meta-analyses. Lancet. 1999 Nov 27;354(9193):1896-900. 9. The AGREE Collaboration. AGREE Instrument Sapnish version. Disponible en http://www.agreecollaboration.org/ 10. Stroup DF, Berlin JA, Morton SC, Olkin I, Williamson GD, Rennie D, Moher D, Becker BJ, Sipe TA, Thacker SB. Meta-analysis of observational studies in epidemiology: a proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) group. JAMA. 2000 Apr 19;283(15):2008-12. 11. Higgins JPT, Green S, editors. Cochrane Handbook for Systematic Reviews of Interventions 4.2.5 [updated May 2005]. http://www.cochrane.org/resources/handbook/hbook.htm (consultado 11 Octubre 2007. 12. Zhang L, Sampson M, McGowan J. Reporting of the role of the expert searcher in Cochrane Reviews. Evidence based Library and information practice 2006; 1(4):3-16. 13. Booth A, “Brimful of STARLITE”: toward standards for reporting literatura searches. J Med Libr Assoc 2006; 94(4):421-9. 14. Comite Internacional de Editores de Revistas Medicas. Uniform requirements for manuscripts submitted to biomedical journals: writing and editing for biomedical publication. Rev Esp Cardiol. 2004 Jun;57(6):538-56.