Strombeck	Strombeck=s Small Animal Gastroenterology, 3rd Ed., 1996.
Ganong	Review of Medical Physiology, 20th Ed., 2001.
Thrall	Textbook of Veterinary Diagnostic Radiology, 4th Ed., 2002.
Radostits	Veterinary Medicine. A Texdtbook of the diseases of Cattle, Sheep, Pigs, Goats and Horses, 9th Ed., 2000.
Mulligan	Atlas of canine & feline dental radiography., 1998.