1. Light RJ, Pillemer DB.Summing up: the science of reviewing research. Cambridge, Massachusetts: Harvard University Press. 1984.
2. In sociology, an institution is defined as an organized way of delivering an essential human service. Examples of institutions are the family, religion, education, government, and medicine.
3. Starr P.The social transformation of American medicine: the rise of a sovereign profession and the making of a vast industry. New York: Basic Books. 1982.
4. Quoted in Deutsch, Albert.The mentally ill in America: a history of their care and treatment from colonial times. New York: Columbia University Press. 1949.
5. Durant W.The story of civilization II: the life of Greece. New York: Simon and Schuster. 1939.