Beiser, M., Burr, W.A., Collomb, H., and Ravel, J.L.1974. Pobough Lang in Senegal. Social Psychiatry9: 123.
2.
Halsted, James A.1968. Geophagia in man: its nature and nutritional effects . American Journal of Clinical Nutrition21: 1384.
3.
Mencel, Charles E., Carter, William A., and Horton, Edward S.1964. Geophagia with iron deficiency and hypokalaemia: Cachexia Africana. Archives of Internal Medicine114: 470.
4.
O'Rourke, D.E., Quinn, J.G., Nicholson, J.O., and Gibson, H.H.1967. Geophagia during pregnancy. Obstetrics and Gynaecology29: 581.