共 9 条
[1]
BECKENHAUER WH, 1985, LAST SAFE EFFECTIVE
[2]
COTTER SM, 1975, J AM VET MED ASS, V166, P448
[3]
GILMORE CE, 1971, J AM VET MED ASSOC, V158, P1013
[4]
HARDY WD, 1981, J AM ANIM HOSP ASSOC, V17, P951
[5]
HARDY WD, 1981, J AM ANIM HOSP ASSOC, V17, P941
[6]
HARDY WD, 1973, NATURE, V224, P226
[7]
JACHEN RF, 1981, MOD VET PRACT, V62, P611
[8]
MERIC SM, 1984, J AM VET MED ASSOC, V185, P1390
[9]
RASHEED S, 1981, J NATL CANCER I, V67, P929