Table 4.

Weight of lung tissues with tumor in nude mice of all the groups

Group	Weight of lung tissues with tumor (g)
	1	2	3	4	5	6	Mean ± SD
Model	0.454	0.682	0.682	0.410	0.350	0.406	0.497±0.147
Positive	0.311	0.221	0.267	0.327	0.200	0.264	0.265±0.049*
Combination	0.314	0.270	0.323	0.230	0.301	0.168	0.268±0.059*
Test	0.344	0.289	0.301	0.321	0.315	0.297	0.311±0.020*
Reference	0.455	0.332	0.366	0.320	0.357	0.379	0.368±0.048*

^*Note: P<0.05 versus model group as the control.

Abbreviation: SD, standard deviation.