Biomedical research is fundamental to improving the quality and life expectancy of citizens and increase their welfare. The science´s progress results in the appearance of new analytical tools that creates hope for the treatment of untreatable pathology. However, the scientific-technological advances generate ethical and legal uncertainties that need to be regulated with prudence because affect human identity. It´s necessary to have a regulatory framework to defend the rights of the persons

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... participate in a biomedicine research. In Spain, the Law 14/2007, de Investigación Biomédica, proclaims the free autonomy to take part in a biomedicine research. This paper is a reflection on the indispensable consent to participate in that research, devoting special attention to treatment of the biological samples in biobanks.