1. American College of Veterinary Anesthesiologists’ Position Paper on the Treatment of Pain in Animals;J Am Vet Med Assoc,1998
2. The analgesic effect of ketoprofen for use in treating equine colic as compared to flunixin meglumine;Betley;Equine Pract,1991
3. Biochemistry and modulation of nociception and pain;Bonica,1990
4. The analgesic-antipyretic-antiinflammatory drugs;Boothe,1995
5. Autoradiographic localisation of alpha-2-adrenoceptor binding sites in the spinal cord of the sheep;Bouchenafa;Res Vet Sci,1987