?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Iyengar%2C+Chaaya&rft.aulast=Iyengar&rft.aufirst=Chaaya&rft.degree=PhD&rft.date=2000&rft.title=Cloning+and+Characterization+of+a+Novel+Costimulatory+Molecule.+&rft.inst=CSIR-IMTECH%2FPanjab+University%2C+Chandigarh&rft.tpages=91