?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Irene&rft.au=Papanicolaou%2C+Irene&rft.aulast=Papanicolaou&rft.tpages=207&rft.title=Liposome-polymer+nanoparticle+hybrids+as+vectors+in+dna+vaccine+delivery.&rft.date=2005&rft.degree=Doctoral&rft.inst=University+College+London