Changes

==References==

==References==

*Ettinger, S.J. and Feldman, E. C. (2000) '''Textbook of Veterinary Internal Medicine Diseases of the Dog and Cat Volume 2''' (Fifth Edition) ''W.B. Saunders Company''.

*Fossum, T. W. et. al. (2007) '''Small Animal Surgery (Third Edition)''' ''Mosby Elsevier''

*Nelson, R.W. and Couto, C.G. (2009) '''Small Animal Internal Medicine (Fourth Edition)''' ''Mosby Elsevier''.

*Watson, P. (1997) '''Decision making in the management of portosystemic shunts''' ''In Practice'' 19;106 - 120 [http://inpractice.bvapublications.com/cgi/reprint/19/3/106?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=portosystemic+shunt&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT]

*Watson, P. (1997) '''Decision making in the management of portosystemic shunts''' ''In Practice'' 19;106 - 120 [http://inpractice.bvapublications.com/cgi/reprint/19/3/106?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=portosystemic+shunt&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT]