PayerL.Medicine & Culture: Varieties of Treatment in the United States, England, West Germany, and France.New York: Holt, 1988.
2.
StjernswardJ., PampallonaS.Palliative medicine - a global perspective. In: DoyleD., HanksG.W.C., MacDonaldN. (eds.) (1998). Oxford Textbook of Palliative Medicine. 2nd edition. Oxford University Press: Oxford, 1998.