states that “voluntary consent of the human subject is absolutely essential”
Helnski Declaration
developed by the World Medical Association and contains all the basic ethical elements designed to address any possible harm on subjects who participate in research.
Belmont Report of 1979
from the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research on the concepts of respect of persons and in assessing risks and benefits (beneficience) and subject selection (justice)