Central and peripheral analgesic active components of triterpenoid saponins from Stauntonia chinensis and their action mechanism oleh Ji-Hong Gong, Chang-Ming Zhang, Bo Wu, Zi-Xun Zhang, Zhong-Yan Zhou, Jia-Hui Zhu, Han Liu, Yi Rong, Qian Yin, Ya-Ting Chen, Rong Zheng, Guang-Zhong Yang, Xiao-Fei Yang, Su Chen