Tanganyika Laughter Epidemic
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External Links
References
- Provine, Robert R. "Laughter." American Scientist Jan.-Feb. 1996: 38-47. Print.
- Rankin, A. M., and P. J. Philip. "An Epidemic of Laughing in the Bukoba District of Tanganyika." Central African Journal of Medicine 9 (1963): 167-70. Print.