共 13 条
[1]
ADDY CE, 1964, WATERFOWL TOMORROW
[2]
ASPLIN F. D., 1954, Veterinary Record, V66, P456
[3]
BRAKHAGE GK, 1970, 6 ANN M ILL CHAPT WI
[4]
FABRICANT J., 1957, AVIAN DIS, V1, P256, DOI 10.2307/1587740
[6]
HANSON LE, 1958, AM J VET RES, V19, P712
[7]
Kapp P., 1968, Magyar Allatorvosok Lapja, V23, P17
[8]
LEVINE PP, 1950, CORNELL VET, V40, P71
[9]
LEVINE PP, 1965, DISEASES POULTRY, P838