Component comparison of rehmanniae radix and rehmanniae radix praeparata between their ancient preparation and commercial medicines
YANG Feifei,LI Shengnan,GUO Huaizhong,YANG Rumin
Journal of Hebei University (Natural Science Edition) . 2017, (1): 47 -55 .  DOI: 10.3969/j.issn.1000-1565.2017.01.008