Bifidum immune serum by inoculating animals, with the titer of the serums to reach 1:1280 by Enzyme-linked Immunosorbent Assay (ELISA) method.
Bifidum immune serum by inoculating animals, with the titer of the serums to reach 1:1280 by Enzyme-linked Immunosorbent Assay (ELISA) method.
bifidum)的免疫血清,经ELISA检测,血清效价达到1:1280。