1. Mechanic, D.,Medical Sociology: A Comprehensive Text. New York, The Free Press, 1978.
2. Ibid..
3. Parsons, T.,The Social System. Glencoe, Ill., Free Press, 1951.
4. Freidson, E.,The Profession of Medicine: A Study of the Sociology of Applied Knowledge. New York, Dodd Mead Publishing Co., 1970.
5. Ibid..