共 9 条
- [2] CARPENTER TE, 1979, 83RD P ANN M US AN H, P364
- [3] CUNNINGHAM DL, 1978, POULTRY SCI, V57, P1131
- [4] FABRICANT J, 1977, 26TH P W POULTR DIS, P71
- [5] FREY MC, 1968, AM J VET RES, V29, P2164
- [7] VARDAMAN TH, 1969, POULTRY SCI, V49, P157
- [8] Yoder H. W. Jr., 1975, Isolation and identification of avian pathogens,, P109
- [9] 1972, PUBLICATION VET SERV, V78