Aberrant promotor methylation of previously unidentified target genes is a common abnormality in medulloblastomas-implications for tumor biology and potential clinical utility. - Frühwald,M.C.; O'Dorisio,M.S.; Dai,Z.; Tanner,S.M.; Balster,D.A.; Gao,X.; Wright,F.A.; Plass,C. (Oncogene, 2001)