?url_ver=Z39.88-2004&rft_id=PQ+ETD%3A592722&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=R.R.A.&rft.au=Bourne%2C+R.R.A.&rft.aulast=Bourne&rft.date=2005&rft.tpages=198&rft.title=The+morphology+of+the+optic+nerve+head+in+two+representative+South-East+Asian+populations.&rft.inst=University+of+London&rft.degree=Doctoral