@book{173959,
	author = {Willard, Michael D. and Tvedten, Harold},
	title = {Small animal clinical diagnosis by laboratory methods},
	publisher = {W. B. Saunders,},
	year = {1994.},
	address = {Estados Unidos :},
	edition = {2ed.},
	note = {95-06-28 $54.000.}
}