Adjuvant radiotherapy did not reduce recurrence of world health organization grade I meningiomas with venous sinus involvement: a propensity score adjusted analysis and literature review - Santos, Alexandra Gomes dos; Solla, Davi J. Fontoura; Moscardi, Ricardo; Neville, Iuri Santana; Weltman, Eduardo; Teixeira, Manoel Jacobsen; Paiva, Wellingson Silva (World neurosurgery, 2019)