Further
reading
Allan,
R.N., Keigliley, M.R.B., Alexander, J. and Hawkins, E. (1990) Inflammatory
Bowel Diseases, Churchill Livingstone, Edinburgh.
Keighley, M.R.B. and
Williams, N.S. (1999) Surgery of the Anus, Rectum and Colon, 2nd edn, WB.
Saunders, London.