共 18 条
[4]
CAROTHERS MA, 1989, J AM VET MED ASSOC, V195, P1593
[5]
Drazner F. H., 1982, Compendium on Continuing Education for the Practicing Veterinarian, V4, P206
[7]
FORRESTER SD, 1992, J AM VET MED ASSOC, V200, P79
[8]
HAWKINS EC, 1986, J AM VET MED ASSOC, V188, P876
[9]
LARSEN AE, 1994, J AM VET MED ASSOC, V205, P708