?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hagen%2C+CK&rft.aufirst=CK&rft.aulast=Hagen&rft.date=July+2014&rft.atitle=Low-dose+phase+contrast+tomography+with+conventional+x-ray+sources&rft.issue=7&rft.title=Medical+Physics&rft.issn=0094-2405&rft.volume=41&rft.genre=article