sixty-seven human tumor cell lines and 15 lines derived from normal tissue were examined for the production of the oncodevelopmental markers carcinoembryonic antigen , alpha and beta subunits of chorionic gonadotropin , placental and nonplacental forms of alkaline phosphatase , gamma-glutamyltransferase , cystyl aminopeptidase , and calcitonin .
C0106132
beta subunits
C0032043
placental