共 6 条
- [1] BEARD CW, 1975, AM J VET RES, V36, P509
- [2] BEARD CW, 1973, 77TH P ANN M US AN H, P596
- [3] Nobuto K., 1967, Japan Agricultural Research Quarterly, V1, P11
- [4] SHARMAN EC, 1973, J AM VET MED ASSOC, V163, P1089
- [5] UTTERBACK WW, 1973, J AM VET MED ASSOC, V163, P1080