Spontaneous human squamous cell carcinomas are killed by a human cytotoxic T lymphocyte clone recognizing a wild-type p53-derived peptide - Röpke, M; Hald, J; Guldberg, P; Zeuthen, J; Norgaard, L; Fugger, L; Svejgaard, A; Van der Burg, S; Nijman, HW; Melief, CJ; Claesson, MH (Proc Natl Acad Sci U S A, 1996)