共 7 条
[3]
Craig TM, 1998, INFECT DIS DOG CAT, P458
[5]
Macintire DK, 1997, J AM VET MED ASSOC, V210, P916
[6]
O'Dwyer L. H., 2001, Clinica Veterinaria, V6, P34
[7]
VICENTJOHNSON N, 1997, COMP CONT EDUC PRACT, V19, P51