共 20 条
[13]
LUGINBUHL RE, 1953, POULTRY SCI, V32, P912
[18]
TRUSCOTT RB, 1974, CAN J COMP MED, V38, P341
[19]
Yoder H. W. Jr., 1975, Isolation and identification of avian pathogens,, P109
[20]
1972, USDA PUBLICATION, V78