Table 1.

Average weights of HeLa xenografts in nude mice from different groups (mean ± SE, n=5)

Group	Tumor weight (g)	Rate of tumor inhibition (%)
Control	0.98±0.12	-
40 mg/kg VES	0.78±0.04*	20.04
80 mg/kg VES	0.72±0.03*	26.07

Note: *P < 0.05 compared with the control group.