Effects of Pelargonium sidoides root extract on paw oedema, nitric oxide signaling, and synovial vascular changes in a rat model of adjuvant-induced arthritis

天竺葵根提取物对佐剂诱导关节炎大鼠模型爪水肿、一氧化氮信号传导和滑膜血管变化的影响