Fig. 1

Effect of prednisone and Yiqi Ziyin on the spleen. (A) The spleen of the mice in three groups. (B) The weight of mice in the three groups. (C) The spleen index in the three groups. The histomorphological observations of spleen in (D) normal group, (E) PDS group, and (F) PDS + YQZY group. PDS, prednisone; YQZY, Yiqi Ziyin.