?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hajat&rft.aufirst=Shakoor&rft.au=Hajat%2C+Shakoor&rft.title=Effects+of+air+pollution+on+daily+general+practitioner+consultations+in+London&rft.date=2002&rft.degree=Doctoral&rft.tpages=308&rft.inst=UCL+(University+College+London)