Flavonoids from Iris songarica and their Antioxidant and Estrogenic Activity - Moein, Mahmood R.; Khan, Shabana I.; Ali, Zulfiqar; Ayatollahi, Syed A. M.; Kobarfard, Farzad; Nasim, Shama; Choudhary, Muhammad I.; Khan, Ikhlas A. (Planta Medica, 2008)