共 9 条
[3]
ALEXANDER DJ, 1982, VET REC, V111, P571
[5]
BAHL AK, 1982, P W POULTRY DISEASE, V31, P113
[6]
BANKOWSKI RA, 1983, 86TH P M US AN HLTH
[8]
Smit T, 1976, Avian Pathol, V5, P21, DOI 10.1080/03079457608418166