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2. Pellegrino, E. and Thomasma, D.: 1981, A Philosophical Basis of Medical Practice, Oxford University Press, New York.
3. Ramsey, P.: 1980, Ethics at the Edges of Life, Yale University Press, New Haven, p. 156.
4. Veatch, R.: 1976, Death, Dying and the Biological Revolution, Yale University Press, New Haven, p. 146.
5. Bergsma, J. and Thomasma, D.: 1982, Health Care: Its Psychosocial Dimensions, Duquesne University Press, Pittsburgh.