Why and how to assess the quality of research in medicine?

Scientific research is recognized as the main mean resource of science to enrich its capital of knowledge about the surrounding natural and social reality.However, if this activity is not carried out with the required quality, dubious results will be obtained and with them the risk of introducing actions in socialpractice whose validity has not been utterly demonstrated. This is the main justification for the employment of methodological procedures guiding to carryout research with the quality that allows the introduction of results in practice with the essential security. The article approaches the reasons to promote thequality in research work and offers elements on how to appraise it through what is published in scientific journals