Study and exploration of the pharmacokinetics of traditional Tibetan medicine Ruyi Zhenbao tablets after single and long-term administration oleh Hongping Hou, Tengfei Chen, Ziying Xu, Zihui Yu, Caixia Wang, Rongxia Liu, Bo Peng, Wei Yang, Feng Li, Xiangyi Che, Bing Li, Yu Wang, Ling Song, Yunhang Gao, Zuguang Ye, Guangping Zhang