Hyaluronan(HA)isaglycosaminoglycans,whichhashighviscosityand highbiocompatibility,andiswidelydistributedinanimals .TheadministrationofHAcouldpromot theprocessofwoundrepairbyfacilit rats [ 1 ] . In1967。InthisstudythehealingeffectofSHp‐thicknessandsuperfici ......