Optimal extraction and antioxidative activity of total flavonoids from Herba Gueldenstaedtiae
LI Jia, LIU Hong-Yan, LIU Qian, ZHANG Yong-Qing
J4 . 2013, (6): 24 -27 .  DOI: 10.3976/j.issn.1002-4026.2013.06.006