Study on intestinal absorption of ingredients from different compatibilities of Shaoyao Gancao decoction Effects of Shaoyao Gancao decoction on contents of amino acids and expressions of receptors in brains of spastic paralysis rats Inhibition and compatibility of Shaoyao Gancao Decoction on phospholipase A2 by fluorescent liposome Studies on changes of in vitro and in vivo material base of Shaoyao Gancao decoction based on HPLC-DAD-ESI-MS