?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Keenan%2C+NG&rft.aulast=Keenan&rft.aufirst=NG&rft.atitle=Regional+variation+in+cardiovascular+magnetic+resonance+service+delivery+across+the+UK.&rft.title=Heart&rft.date=25+March+2021&rft.genre=article