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WiDr Colon-Cancer Cells were Treated with PNF. Description: a, control, WiDr cells without treatment; b, WiDr cells treated with PNF at a concentration of 500 µg/mL; c, WiDr cells treated with PNF at a concentrationof 250 µg/mL; d, WiDr cells treated with PNF at a concentration of 125 µg/mL. The living cells ares hown with a green arrow, and the dead cells areshown with a red arrow. 100× magnification.
