Figure 3

Levels of TNF-α (A) and IL-1 β (B) in the lungs in rats treated with Bufei Jianpi, Bufei Yishen, Yiqi Zishen granules or aminophylline at week 20 and 32. a = control, b = model; c = Bufei Jianpi; d= Bufei Yishen; e = Yiqi Zishen; f = aminophylline. ^** P<0.01, vs model group; ^## P<0.01, vs Bufei Jianpi group; ^ΔΔ P<0.01, vs Bufei Yishen group; ^▲▲ P<0.01, vs Yiqi Zishen group; ^○ P<0.05, ^○○ P<0.01, vs Week 20 in the same group.