A.Koch B.Owen C.Milstein和Kohler D.Jenner
A.Pasteur B.Owen C.Behring D.Jenner
A.有利的反應(yīng) B.不利的反應(yīng) C.有時有利,有時不利 D.適當(dāng)時有利,不適當(dāng)時不利