?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Williams%2C+B&rft.aufirst=B&rft.aulast=Williams&rft.date=4+February+2014&rft.volume=4&rft.atitle=Rationale+and+study+design+of+the+Prospective+comparison+of+Angiotensin+Receptor+neprilysin+inhibitor+with+Angiotensin+receptor+blocker+MEasuring+arterial+sTiffness+in+the+eldERly+(PARAMETER)+study.&rft.title=BMJ+Open&rft.issue=2&rft.pages=-&rft.genre=article