Papich M G, Wright A K, Petrie L, Korsrud G O
Department of Anatomy, Physiological Sciences, and Radiology, College of Veterinary Medicine, North Carolina State University, Raleigh 27606, USA.
J Vet Pharmacol Ther. 1995 Oct;18(5):375-8. doi: 10.1111/j.1365-2885.1995.tb00607.x.