1. American Association for Laboratory Animal Science. Manual for Laboratory Animal Technicians. Publication 67–3, Dec. 1, 1979, Section II: page 140.
2. Anderson, B.D. Temperature Regulation and Environmental Physiology in Duke’s Physiology of Domestic Animals. 9th ed., ed. by M.J. Swenson, Cornell Univ. Press, Ithaca, NY, p. 687, 1977.
3. Adams, H.R. Cholinergic Pharmacology: Autonomic Drugs, in Veterinary Pharmacology and Therapeutics. 5th ed., ed. by N.H. Booth and L.E. McDonald, The Iowa State University Press, Ames, Iowa, 1982.
4. Garner, H.E., Mather, E.C., Hoover, T.R., Brown, R.E., Halliwell, W. C. Anesthesia of bulls undergoing surgical manipulation of the vas deferentia. Can J Comp Med, 39: 250–255, 1975.
5. Klavano, P.A. Anesthesia — Some developments in equine practice. Proc Am Assoc Equine Pract, 21st: 149–155, 1975.