the proportion ( 13 % ) of labeled endothelial cells in normal subcutaneous connective tissue surrounding the 3-day-old fibrosarcoma implant was significantly higher than that seen in controls , as was the labeling index ( 14-25 % ) for endothelial cells in the fibrosarcoma up to 2 weeks after implantation .
C0009781
of
C0016057
fibrosarcoma