共 14 条
[5]
GRIMES JE, 1976, JUL AV DIS SECT AVMA
[6]
Hall C. F., 1975, Southwestern Veterinarian, V28, P19
[8]
MEYER KF, 1965, VIRAL RICKETTSIAL IN
[9]
MOORE RW, 1959, AM J VET RES, V20, P884
[10]
PAGE LA, 1976, J AM VET MED ASSOC, V169, P932