共 10 条
[1]
DOLL ER, 1951, AM J VET RES, V12, P232
[2]
GAGLIARDI G, 1953, ATTI DELLA SOC ITAL, V2, P911
[3]
KOHN A, 1955, AM J VET RES, V16, P450
[4]
LUGINBUHL RE, 1954, POULTRY SCI, V33, P1068
[6]
MARKHAM FS, 1954, CORNELL VET, V44, P324