1. Cannon, W. B. Bodily Changes in Pain, Hunger, Fear and Rage: An Account of Recent Researches into the Function of Emotional Excitement. New York: Appleton, 1929.
2. Corley, K. C., H. P. Mauck, and F. O. M. Shiel. Cardiac responses associated with “yoked-chain” shock avoidance in squirrel monkeys. Psychophysiology 12: 439–444, 1975.
3. Dubos, R. The Mirage of Health. New York: Doubleday, 1959.
4. Engel, G. L. A psychological setting of somatic disease: the “giving up-given up” complex. Proc. R. Soc. Med. 60: 553–555, 1967.
5. Frankenhaeuser, M. Experimental approaches to the study of catecholamines and emotion. In: Emotions—Their Parameters and Measurement, edited by L. Levi. New York: Raven, 1975, p. 209–234.