?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Kalitzeos%2C+A&rft.aufirst=A&rft.aulast=Kalitzeos&rft.degree=Doctoral&rft.inst=Aston+University&rft.title=Retinal+vessel+analysis%3A+flicker+reproducibility%2C+methodological+standardisations+and+practical+limitations&rft.date=2014