[ardalan]

Textbook of Veterinary Physiology , 3rd ed. / J. G. Cunningham, ed. Philadelphia : Saunders, 2002.

Physiology of Domestic Animals , 2 nd ed. / W. O Reece. Baltimore : Williams & Wilkins, 1997.

Dukes physiology of domestic animals 11th ed. / W. O Reece , M J Swenson : Comstock publishing 1996