Textbook of veterinary internal medicine :  diseases of the dog and the cat / 
 Veterinary internal medicine 
[edited by] Stephen J. Ettinger ; Edward C. Feldman. 
 - 6th ed. 
 - St. Louis, Mo. :  Elsevier Saunders,  2005. 
 - 2 v. (xlviii, 1991, lxxv p.) :  ill. ;  28 cm. +  1 CD-ROM (4 3/4 in.)