1. Proposed WHO guidelines for good clinical practice (GCP) for trials on pharmaceutical products. WHO drug information, 1992; 6(4): 170-188.
2. Research Guidelines for Evaluating the Safety and Efficacy of Herbal Medicines, World Health Organization, Regional Office for the Western Pacific, Manila, 1993.
3. Health Research Methodology. A Guide for Training in Research Methods, WHO Regional Office for the Western Pacific, Manila, 1992.
4. International Ethical Guidelines of Biomedical Research Involving Human Subjects CIOMS. Geneva 1993.
5. Bailar, J.C. IV and Mosteller, F., Medical Uses of Statistics, Second Edition, NZJM Books, 1992.
6. Meinert, C.L., Clinical Trials - Design, Conduct and Analysis. Oxford University Press, New York/Oxford, 1976.
7. Sackett, D.L., Clinical Epidemiology, A Basic Science for Clinical Medicine, Second Edition, Little, Brown and Company. Boston/Toronto/London, 1991.
8. Lewith, G. and Aldridge, D., Clinical Research Methodology for Complementary Therapies, Hodder & Stoughton, 1993.
9. Daly, L.E. et al. Interpretation and Uses of Medical Statistics, Fourth Edition, Blackwell Scientific Publications, Oxford, 1991.
10. Fletcher, R.H. et al. Clinical epidemiology - the essentials. Williams & Wilkins, Baltimore, 1988.
11. (Jung-Soon Kim): (Principle of Clinical Epidemiology, 4th edition), (Shinkwang Publishing Company), Seoul, 1993.
12. (Jung-Hye Kim): (Epidemiology and Management of Infectious Diseases), (Chungku Publishing Company), Seoul, 1993.
13. (Sakuma, Akira): (Drug Evaluation), 1 and 2, Tokyo University Press, Tokyo, 1977 and 1981.
14. (Sunahara, Shigeichi): (Introduction of Clinical Research Methodology and Ethics), Igakushain, Tokyo, 1988.
15. (Wang Jialiang): (Clinical Epidemiology: Clinical Research Design, Measurement and Evaluation), , Shanghai Science and Technology Publication House, Shanghai, 1990.
16. (Jin Pihuan): (Methodology for Medical Statistics), , Shanghai Medical University Publication House, Shanghai, 1993.
17. Cao Jiaqui): (Methodology for Clinical Research), Beijing Medical University and Peking Union Medical University Publication House, Beijing, 1993.