Effects of Qi-Fang-Xi-Bi-Granules on Cartilage Morphology and C/ebpα Promoter Methylation in Rats with Knee Osteoarthritis

Figure 4

Immunohistochemistry of knee joint tissue. (a) Normal control group; (b) KOA model group; (c) Celebrex group; (d) Viartril-S group; ((e)–(g)) low-dose (e), medium-dose (f), and high-dose (g) QFXBG groups.