1. Miller’s Anatomy of the dog;Miller,1993
2. Ultrasonographic anatomy of the normal canine kidney;Konde;Vet Radiol,1984
3. Renal ultrasonography in healthy cats;Walter;Am J Vet Res,1987
4. Ultrasonographic-anatomic correlation and an imaging protocol of the normal canine kidney;Wood;Am J Vet Res,1990
5. Sonography of the liver, gallbladder, and spleen;Nyland;Vet Clin North Am Small Anim Pract,1985