REFERENCES
- Zuidema, G., Cohen, S. I., Silverman, A. J. and Goodall, McC.: Catecholamine level and psychological correlates of vascular responses. New Eng J Med 256: 966–969, 1957.
- Cohen, S. I. and Silverman, A. J.: Psychophysiological investigations of vascular response variability. Psychosom Res 3: 185–210, 1959.
- Elmadjian, F.: The excretion and metabolism of catecholamines. In Symposium on Catecholamines. Baltimore, The Williams & Wilkins Company, 1959, pp 409–415.
- Graham, L. A., Cohen, S. I. and Shmavonian, B. M.: Physiologic discrimination and behavioral relationships in human instrumental conditioning. Psychosom Med 26: 321 (July-August) 1964.
- Van Veen, W.: Cited by Cohen, S. I. et al.: Cardiovascular responsivity in classical and instrumental conditioning. Proceedings of Eighteenth International Congress of Psychology, Moscow, 1966.
- Cohen, S. I., Bondurant, S. and Silverman, A. J.: Psychophysiological influences on peripheral venous tone. Psychosom Med 22: 106–117, 1960.