Multicenter clinical study on Yaotongning Capsule in treatment of lumbar muscle fiber inflammation Effect of active fractions in Yaotongning Capsule on prostaglandin E2, interleukin-2, and nitrogen monoxide production and their interactions Clinical observation on therapeutic effect of Yaotongning Capsule on sciatica suffered form cold dampness and blood stasis Effect of six polysaccharides in formulas derived from Yaotongning on expression of inflammatory cytokines in macrophages and proliferation of chondrocyte Comparison on celluar anti-inflammatory and immunoregulatory activities of seven derivative combinations of Yaotongning with alkaloid as main part and in vivo pharmacodynamic evaluation on optimized candidate combination Clinical observation on Yaotongning Capsule in treatment of lumbar hyperplasia(cold-dampness stagnation syndrome)