?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Gregory&rft.au=Gregory%2C+Fiona+Janet&rft.aufirst=Fiona+Janet&rft.title=Functional+analysis+of+p16INK4a+and+p21CIP1+in+replicative+senescence&rft.date=2000&rft.degree=Doctoral&rft.tpages=239&rft.inst=UCL+(University+College+London)