Absorption of extractive Polygonum orientale in rat everted gut sacs Study on intestinal absorption of formononetin in Millettia nitita var. hirsutissima in rats Correlations between micromeritic primary propertis and hygroscopicity of mixing powder of Sarcandrae Herba Research on intestinal absorption characteristics of meglucumin cocrystal in rats Intestinal absorption of pulchinenosides from Pulsatilla chinensis in rats Evaluation on intestinal absorption of alkaloids extracted by different methods from Rhizoma Coptidis-Rheum rhabarum herbal pair via everted gut sacs Mechanism of intestinal absorption of tetrandrine in rats Study on rat small intestinal absorption features of puerarin loaded O-carboxymethyl chitosan microspheres based on single pass perfusion method