1STEFFEY E P. Some characteristics of ruminants and swine that complicate management of general anesthesia[J]. Vet Clin North Am Food Anim Pract, 1986,2 (3) : 507.
2KRUSE-ELLIONTT K T. Management and emergency inter- vention during anesthesia[J]. Vet Clin North Am Food Anim Pract, 1996, l2 (3) : 563.
3KLEIN L. Anesthetic complications in the horse[J]. Vet Clin North Am Food Anim Pract, 1990,6(3) : 665.