most , if not all , mineral oil-induced pct cells carried pc1 antigen and produced many extracellular type-c viruses carrying xvea and x1-vea , whereas abelson 's tumor cells had both a lower incidence and a smaller amount of pc1 and x.1 antigens and xvea+ virus and lacked x1-vea+ virus .
C0003320
antigens
C0003342
vea