EVIDENCE BASED MEDICINE

This paper presents the origins and the concepts in which the paradigm of a new line of clinical reasoning ''Evidence Based Medicine'', is b ased. We describe its basic components such as: problem-oriented clini cal policy formulation; information retrieval distillation and synthes is of the medical literature; critical appraisal of the evidence and c linical application. Additionally, we describe them already well estab lished, for promoting and Evidence Based Clinical Practice. We particu larly focus on the so called ''Cochrane Collaboration'', an internatio nal initiative whose mission is to prepare, maintain and disseminate s ystematic and updated reviews of the effects of health care.