?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Wentian&rft.au=Lu%2C+Wentian&rft.aulast=Lu&rft.date=28+June+2019&rft.degree=Doctoral&rft.title=Socioeconomic+Impacts+on+Healthy+Ageing+in+the+US%2C+England%2C+China+and+Japan&rft.inst=UCL+(University+College+London)&rft.tpages=331