共 10 条
[1]
[Anonymous], 1971, B WHO, V45, P119
[3]
Easterday B. C., 1972, Diseases of poultry,, P670
[4]
JOHNSON DC, 1976, AVIAN DIS, V20, P422, DOI 10.2307/1589284
[6]
SCHAFER W, 1955, ZENTRABLATT NATURFOR, V106, P81
[7]
SLEMONS RD, 1972, B WORLD HEALTH ORGAN, V47, P521
[8]
STUBBS EL, 1943, DISEASES POULTRY, P493
[10]
1971, METHODS EXAMINATION