@book{624,
	author = {Blood, Douglas Charles. and Radostits, O. M.},
	title = {Veterinary medicine a textbook of the diseases of cattle sheep, pigs, goats and horses},
	publisher = {Bailliere Tindall,},
	year = {1989},
	address = {London :},
	edition = {7 ed.},
	note = {37-98}
}