Zhang, Xiaoshu, Zhenting Liu, Xiuli Bi, Jingxin Liu, Wei Li, and Yuqing Zhao. 2013. “Flavonoids and Its Derivatives from Callistephus Chinensis Flowers and Their Inhibitory Activities Against Alpha-Glucosidase”. EXCLI Journal 12 (November):956-66. https://www.excli.de/index.php/excli/article/view/1206.