共 15 条
[11]
OLSON NO, 1972, DISEASES POULTRY, pCH8
[12]
Siccardi F. J., 1972, P MYCOPLASMA WORKSHO, P22
[13]
VARDAMAN TH, 1969, AVIAN DIS, V13, P653
[14]
VARDAMAN TH, 1972, POULTRY SCI, V52, P1909
[15]
YODER HW, UNPUBLISHED DATA