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Solomon, G. ., Segerstrom, S. ., Grohr, P. ., Kemeny, M. ., & Fahey, J. . (1969). Shaking up immunity: psychological and immunologic changes after a natural disaster. Psychosomatic Medicine, 59(2), 114-27. https://doi.org/10.1097/00006842-199703000-00002 (Original work published 1969)