@book{19856, author = {Wolff, Bruce G. and Fleshman, James W. and SpringerLink (Online service)}, title = {The ASCRS Textbook of Colon and Rectal Surgery}, publisher = {Springer-Verlag New York,}, year = {2007.}, address = {New York, NY :}, url = {http://dx.doi.org/10.1007/978-0-387-36374-5} }