a dialysable eosinophil chemotactic factor was isolated from the early stage ( 0-6 hr ) of local pca skin sites , and another chemotactic factor ( mol . wt . 15,000 ) , sharing a common antigenicity with guinea-pig serum c5 , from 12-hr-old local pca skin sites .
C0008014
eosinophil chemotactic factor
C0008013
chemotactic factor