?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Mason&rft.aufirst=Jonathan&rft.au=Mason%2C+Jonathan&rft.degree=Doctoral&rft.title=Factors+affecting+the+provision+of+psychological+therapy+to+people+with+learning+disabilities+in+the+NHS&rft.inst=UCL+(University+College+London)&rft.date=2002&rft.tpages=132