?url_ver=Z39.88-2004&rft_id=PQ+ETD%3A594132&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Mannion%2C+I&rft.aulast=Mannion&rft.aufirst=I&rft.title=Role+of+PTEN+in+regulation+of+cell+migration+in+glioma+cells&rft.inst=UCL+(University+College+London)&rft.degree=Masters&rft.date=30+June+2007&rft.tpages=124