Objective: To investigate the biological type revision lengthening effect of femoral bone defect in the early and middle femoral loosening handle treatm-up found no periprosthetic fractures and distal
Study Design:Macrophageinhibitionfactor(MIF)modulatestheactivityofmatrixmetalloproteinases(MMPs)tocontrolthemetabolismof extracellularmatrixhumandegeneratedcartilageendplate(CEP