Absorption of curcumin microemulsion in vivo Absorption characteristics in intestine of icaritin self-microemulsion via CaCO2 monolayer model Preparation and in vitro dissolution evaluation of tanshinone ⅡA for oral self-microemulsion Absorption characteristics in intestine of icaritin self-microemulsion via Caco-2 monolayer model Effects of different preparation technologies on concentrations of puerarin and catalpol in plasma and brain of rats after oral administration Preparation technology of supersaturatable self-microemulsifying drug delivery system of etoposide and quality evaluation