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The body weight and the effect of RAS on spleen index in BD rats ((A) The body weight of rats; (B) The effect of RAS on spleen index in rats with blood deficiency. mean ± SD, n = 6) ****p < 0.0001, *****p < 0.00001 vs model group; #### p < 0.0001, ##### p < 0.00001 vs the third-grade group.
