Studies on chemical constituents of Guizhi Fuling Capsule (III) Comparison on six active constituents between formula granule and traditional decoction of Rehmanniae Decoction of six ingredients Studies on the Chemieal Constituents of Fuling (Poria coeos) Improvement of extraction and concentration on quality consistency of Qiongyu Paste Simultaneous determination of 12 chemical components in Tiaojing Pills by RP-HPLC under variable wavelengths Studies on chemical constituents of Guizhi Fuling Capsule (Ⅲ)