共 43 条
[3]
BUTLER JE, 1981, RUMINANT IMMUNE SYST
[5]
CHASE CCL, 1988, J TIS CULT METHODS, V11, P75
[7]
EDWARDS S, 1988, VET REC, V123, P614
[8]
ELSON CO, 1984, J IMMUNOL, V132, P2736