This study evaluates up to which degree physicians of Hospital Dr. Dario Contreras of Dominican Republic know, respect, inform and apply the General Health Law in relation to the right of Jehovah witness patients to refuse being blood transfused (respect to their autonomy). It also evaluates whether Jehovah witnesses know General Health Law and in which degree they have been benefited by putting it into practice. The study reveals that Jehovah Witnesses do not know the law.