قراءات إضافية
FURTHER
READING
Keighley, M.R.B. and Williams, N.S.
(1993) Surgery of the Anus, Rectum and Colon.
W.B. Saunders, London
Fielding, L.P. and Goldberg, S. (eds)
(1993) Rob and Smith’s Oprative Surgery, Surgery of
the Colon, Rectum and Anus, 5th edn, Chapman & Hall,
London.