Xu1, Guofang, Xiaohua Li1, Ping Liu1, Guanghui Li1, Zhihui Hua1, and Xiaosu Li2. “Simultaneous Analysis of Four Bioactive Compounds in Migan Granules Using Internal Addition Standard Method in Gas Chromatography”. Asian Journal of Chemistry 26, no. 20 (September 26, 2014): 6865–6868. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_21_35.