?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ju&rft.aufirst=C&rft.au=Ju%2C+C&rft.issue=9&rft.pages=2340-2349&rft.title=Rheumatology&rft.atitle=Comparative+cardiovascular+risk+in+users+versus+non-users+of+xanthine+oxidase+inhibitors+and+febuxostat+versus+allopurinol+users&rft.volume=59&rft.date=September+2020&rft.genre=article