Turleyetal [ 11 ] administratedorally2%HAsolutiontothevolunteersandrats,respectively,atasingledoseof30mg/kg ﹒ ThentheserumconcentrationsandMr(DextranStandards)ofHA weredetectedindifferenttimepoint ﹒.WhichshowingadecreasedlevelsofHA umfrom2hto4h ﹒ Thesecon ......