Doherty T J, McDonell W N, Dyson D H, Black W D, Valliant A E
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville 37901, USA.
J Vet Pharmacol Ther. 1995 Apr;18(2):153-5. doi: 10.1111/j.1365-2885.1995.tb00570.x.