primary carcinogen-induced ( 7,12-dimethyl-benz [ a ] anthracene ; dmba ) tumor-bearing sc chickens ( b2/b2 ) frequently showed antibodies in their sera which reacted with cells from their autochthonous tumors , chicken embryo fibroblasts ( cef ) , tumor cells from some transplantable tumor lines , and from approximately 10 % of other primary tumors .
C0007634
cells
C0016030
fibroblasts