et al.; Chimeric papillomavirus virus-like particles elicit antitumor immunity against the E7 oncoprotein in an HPV16 tumor model; Proc. Natl. Acad. Sci. USA; Feb. 1998; pp. 1800-1805; vol. 95; The National Academy of Sciences. Fearon, Douglas T. et al.; Regulation of B Lymphocyte ...