Paeoniflorin Inhibits Proliferation of Fibroblast-Like Synoviocytes through Suppressing G-Protein-Coupled Receptor Kinase 2 - Chen, Jing-Yu; Wu, Hua-Xun; Chen, Yin; Zhang, Ling-Ling; Wang, Qing-Tong; Sun, Wu-Yi; Wei, Wei (Planta Medica, 2012)