1. Treatises of Fistula in Ano, Hemorrhoids and Clysters;Arderne,1910
2. Passions and Tempers: A History of the Humours;Arikha,2008
3. Posterior analytics;Aristotle,2001
4. The possibilities of patient-centred medicine;Balint;J. R. Coll. Gen. Pract.,1969
5. Belmont Report: Ethical Principles and Guidelines for the Protection of Human Subjects of Research, National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, Department of Health, Education and Welfare,1978