ObjectiveThis study was to investigate association between endometriosis and the expression of matrix metalloproteinase (MMP) , tissue inhibitor of metalloproteinase (TIMP)and vascular endothelial growth factor (VEGF), and to assess the effect of eleng capsule on the the secretion of MMPs, TIMPs and VEGF in ectopic and eutopic endometrium from women with endometriosis. Method75 patients with endometriosis were recruited and divided randomly into three groups, The eleng group(25 patients) were administered e...