Pazzaglia, S Two-hit model for progression of medulloblastoma preneoplasia in Patched heterozygous mice. [electronic resource] - Oncogene Sep 2006 - 5575-80 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0950-9232 Standard No.: 10.1038/sj.onc.1209544 doi Subjects--Topical Terms: AgingAnimalsCerebellar Neoplasms--geneticsChromosomes, MammalianDisease Models, AnimalDisease ProgressionHedgehog ProteinsLoss of HeterozygosityMedulloblastoma--geneticsMiceMice, Inbred C57BLPatched ReceptorsPatched-1 ReceptorPrecancerous Conditions--geneticsRadiation, IonizingReceptors, Cell Surface--geneticsSignal TransductionTrans-Activators--metabolism