Abstract
References
1.
Jubb
K. V. F.
Kennedy
P. C.
:
Pathology of Domestic Animals ,
p. 4 ,
vol. 2 ,
2nd ed. ;
Academic Press ,
New York,
1970
2.
Severin
G. A.
:
Digestive tract disorders
in
Canine Medicine ,
ed.
Catcott
Smithcors
;
p. 286 ,
1st ed. ,
American Veterinary Publications ,
Wheaton, Ill.,
1968