Objective:To study the relationship between TCM′s syndrome differentiation typing and serum levels of PDGF and TGF-β in chronic hepatitis.Methods:90patients suffering from chronic hepatitis were divided into 3 groups according to the TCM′s typing,including liver depression and spleen deficiency syndrome group(30cases),middle energizer dampness-heat syndrome group(30cases)and blood-stasis obstruction syndrome group(30cases).And control group(30 healthy persons)was established.The serum concentration of PDGF ...