Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes, Wenbo, Guo, Fan Kai, Nie Dongxia, Meng Jiajia, Qingwen Huang, Yang Junhua, Shen Yuanyuan, Tangni Emmanuel, Zhihui Zhao, Yongjiang Wu, et al. , Toxins, feb 2019, Volume 11, Issue 2, Number 100, (2019)