Paddleford, Robert R.; Harvey, Ralph C. (1999). "Alpha2 Agonists and Antagonists". The Veterinary Clinics of North America. 29 (3): 737–744. doi:10.1016/S0195-5616(99)50058-2. PMID10332820.
Holt, David E.; Griffin, Greg (2000). "Bite Wounds in Dogs and Cats". The Veterinary Clinics of North America. 30 (3): 669–678. doi:10.1016/S0195-5616(00)50045-X. PMID10853282.
Woolridge, Anne A.; Seahorn, Thomas L. (1999). "Proper Dental Care Is Vital For Horses". Louisiana State University Equine Veterinary Research Program Newsletter. Archived from the original on 2006-09-01. Retrieved 2006-07-29.
Paddleford, Robert R.; Harvey, Ralph C. (1999). "Alpha2 Agonists and Antagonists". The Veterinary Clinics of North America. 29 (3): 737–744. doi:10.1016/S0195-5616(99)50058-2. PMID10332820.
Holt, David E.; Griffin, Greg (2000). "Bite Wounds in Dogs and Cats". The Veterinary Clinics of North America. 30 (3): 669–678. doi:10.1016/S0195-5616(00)50045-X. PMID10853282.
Woolridge, Anne A.; Seahorn, Thomas L. (1999). "Proper Dental Care Is Vital For Horses". Louisiana State University Equine Veterinary Research Program Newsletter. Archived from the original on 2006-09-01. Retrieved 2006-07-29.