1. Shi Xiaowei, Zhang Kai *, Xue Na, Su Linfei, Ma Gaixia, Qi Jinlong, Wu Yibing, Wang Qiao, Shi Qingwen*. Differentiation of genuine Inula britannica L. and substitute specimens based on the determination of 15 components using LC-MS/MS and principal components analysis. Food Chemistry, 2013, 141(4): 4019–4025. 2.Shi Xiaowei, Shang Weiding, Wang Shuang, Xue Na, Hao Yanxia, Wang Yabo, Sun Mengmeng, Du Yumin, Cao Deying, Zhang Kai*, Shi Qingwen*. Simultaneous quantification of naproxcinod and its active metabolite naproxen in rat plasma using LC–MS/MS: Application to a pharmacokinetic study. Journal of Chromatography B, 2015, (978-979): 157-162. 3. Zhang Kai, Xue Na, Shi Xiaowei, Liu Weina, Meng Jing, Du Yumin*. A validated chiral liquid chromatographic method for the enantiomeric separation of safinamide mesilate, a new anti-Parkinson drug. Journal of Pharmaceutical and Biomedical Analysis, 2011, 55: 220–224. 4. Zhang Kai, Li Yong, Ni Zhiyu, Zhang Manli. Wang Yufang, Shi Qingwen*, Huo changhong, Sauriol Franaoise, Kiyota Hiromasa*, Gu Yucheng, Dong Mei*. New 6/8/6-Taxanes Isolated from the Heartwood of Taxus cuspidate. Helvetica Chimica Acta, 2012, 95: 1566-1572. 5. Zhang Kai, Xue Na, Yuan Zhifang, Li Lin, Shi Xiaowei, Cao Liang, Du Yumin*. Separation of the Two Enantiomers of Naproxcinod by Chiral Normal-Phase Liquid Chromatography. Journal of Chromatographic Science, 2011, 49(4): 272-275.