Berlin, E. A., & Berlin, B. (1996). Medical ethnobiology of the highland maya of Chiapas, Mexico: The gastrointestinal diseases. Princeton University Press.

Berlin, Elois Ann, and Brent Berlin. Medical Ethnobiology of the Highland Maya of Chiapas, Mexico: The Gastrointestinal Diseases. New Jersey: Princeton University Press, 1996.

Berlin, Elois Ann, and Brent Berlin. Medical Ethnobiology of the Highland Maya of Chiapas, Mexico: The Gastrointestinal Diseases. Princeton University Press, 1996.