共 20 条
[1]
ALLAN WH, 1973, FAO MISC PUBL, P58
[5]
Dawson P. S., 1973, 4th European poultry conference., P591
[6]
FENSTERMACHER R., 1946, Proc. 50th ann. Meet. U.S. Live Stk. sanit. Ass., P151
[7]
GALE C, 1961, J AM VET MED ASSOC, V139, P462
[9]
GARSIDE JS, 1965, VET REC, V77, P354
[10]
GORDON RF, 1948, 8TH WORLD POULTR C C, V1, P642