1. Balfour, T. W. and Hardcastle, J. D. (1978). The identification of an electrically silent zone at the ileo-caeco-colic junction. In Gastrointestinal Motility in Health and Disease (ed. H. L. Duthie ), MTP Press, Lancaster, pp. 407–409
2. Beattie, J. (1924). The early stages of the development of the ileo-colic sphincter. J. Anat., 59, 56–59
3. Berk, R. N. and Lasser, E. C. (1975). Radiology of the Ileo-caecal Area, Saunders, Philadelphia
4. Bertrand, J. and Thiller, J. L. (1975). L’electromyographic digestive externe. Med. Chir. Dig., 4, 327–331
5. Buirge, R. E. (1943). Gross variations in ileo-caecal valve; study of factors underlying incompetency. Anat. Rec., 86, 373–385