1. Bakan, D.: 1968, Disease, Pain and Sacrifice, Univ. of Chicago Press, Chicago; 1971, Beacon Press, Boston.
2. Beecher, H.K.: 1956, ‘Relationship of Significance of Wound to Pain Experience’, Journal of the American Medical Association
161, 1609–1613.
3. Beecher, H.K.: 1960, Disease and the Advancement of Basic Science, Harvard Univ. Press, Cambridge, Mass.
4. Kolb, L.C.: 1954, The Painful Phantom: Psychology, Physiology and Treatment, Charles C. Thomas, Springfield, 111.
5. White, J.C. and Sweet, W.H.: 1955, Pain: Its Mechanisms and Neurosurgical Control, Charles C. Thomas, Springfield, 111.