共 10 条
[1]
ALLAN WH, 1974, 23RD P WEST POULT DI, P73
[2]
[Anonymous], 1971, METHODS EXAMINING PO
[5]
SOME PROPERTIES OF AN AVIRULENT NEWCASTLE DISEASE VIRUS
[J].
ARCHIV FUR DIE GESAMTE VIRUSFORSCHUNG,
1971, 34 (01)
:64-&
[6]
SCHLOER G, 1968, AM J VET RES, V29, P883
[8]
SINGH KV, 1960, AM J VET RES, V21, P1114
[10]
YACHIDA S, 1975, JPN J VET SCI, V37, P313