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Ultrasound-assisted Extraction of 2″-O-galloylhyperin from Pyrola calliantha H.Andr.
YAO Xiao-Hui;DUAN Xi-Hua;*;DUAN Ming-Hui;ZHANG Dong-Yang;FU Yu-Jie;
Bulletin of Botanical Research . 2012, (4): 497 -500 .  DOI: 10.7525/j.issn.1673-5102.2012.04.021