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Liu, Zheng; Wu, Xiaoqian; Si, Zhenyang; Kong, Desong; Yang, Dongwei; Zhou, Fuqiong; Wang, Zhujun . (2021). Simultaneous determination of nine constituents by validated UFLC-MS/MS in the plasma of cough variant asthma rats and its application to pharmacokinetic study after oral administration of Huanglong cough oral liquid. Journal of Pharmaceutical and Biomedical Analysis, 193(), 113726–. doi:10.1016/j.jpba.2020.113726 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research