[Retracted] Investigation on the Inhibitory Effect of Methotrexate on Rheumatoid Synovitis via the TLR4-NF-κB Pathway in a Rat Model

Figure 2

Synovial structure of rats in each group: (a) synovial tissue structures of the rats in control group; (b) synovial tissue structures of the rats in model group; (c) synovial tissue structures of the rats in low dose group; (d) synovial tissue structures of the rats in medium dose group; and (e) synovial tissue structures of the rats in high dose group.