specificity was tested by an enzyme-linked immunosorbent assay against human foreskin cells , 7 established human colon cancer lines , a panel of 17 established human tumor lines of different histological origins , purified carcinoembryonic antigen , panels of red blood cells , and a suspension of lymphocytes obtained from 30 random normal donors .
C0086418
human
C0007082
carcinoembryonic antigen