?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Verma%2C+R+K&rft.aulast=Verma&rft.aufirst=R+K&rft.degree=PhD&rft.date=1997&rft.title=Studies+on+the+Maturation+of+Cytotoxic+T+Cells&rft.inst=CSIR-IMTECH%2FPanjab+University%2C+Chandigarh