Saddiqe, Zeb, Ismat Naeem, Tahira Mughal, Abida Taskeen, and Hifsa Mubeen. 2010. “Characterization of Flavonoid Aglycones in Aerial Parts of Hypericum Oblongifolium L”. Asian Journal of Chemistry 23 (2):939-40. https://asianpubs.org/index.php/ajchem/article/view/15928.