1. Declaration of Helsinki;World Medical Association;Br Med J,1964
2. The Belmont Report;National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research,1978
3. Protection of Human Subjects;US Department of Health and Human Services,1997
4. Protection of Human Subjects 21 CFR 50.23 (1979);Food and Drug Administration FDA of the United States,1998