Gojo, Johannes Telomerase activation in posterior fossa group A ependymomas is associated with dismal prognosis and chromosome 1q gain. [electronic resource] - Neuro-oncology Sep 2017 - 1183-1194 p. digital Publication Type: Journal Article ISSN: 1523-5866 Standard No.: 10.1093/neuonc/nox027 doi Subjects--Topical Terms: ChildChromosomes, Human, Pair 1--geneticsDisease ProgressionDisease-Free SurvivalEpendymoma--enzymologyFemaleHumansInfratentorial Neoplasms--enzymologyKaplan-Meier EstimateMalePolymorphism, Single NucleotidePrognosisTelomerase--genetics