?url_ver=Z39.88-2004&rft_id=PQ+ETD%3A602785&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=D.L.&rft.au=Francis%2C+D.L.&rft.aulast=Francis&rft.date=2004&rft.tpages=264&rft.title=Positron+emission+tomography+in+colorectal+cancer+using+3'-18F+fluoro-3'-deoxythymidine%3A+A+clinical+and+biological+study.&rft.inst=University+of+London&rft.degree=Doctoral