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2. Ethical dilemmas in the care of the critically ill;Skillman, J.J.;Lancet,1974
3. On death and dying;Lipsitt, DR;J Geriatr Psychiatry,1974
4. Understanding the world of the chronically ill;Sorensen, K.M.; Amis, D.B.;Am J Nurs,1967
5. An easy way to die;Berry, R.;J Pract Nurs,1974