Does reintervention improve survival in recurrent glioblastoma? Facing a temporal bias in the literature - Delgado-Fernandez, Juan; Frade-Porto, Natalia; Blasco, Guillermo; Gonzalez-Tarno, Patricia; Gil-Simoes, Ricardo; Li, Zhi-Qiang; Pulido Rivas, Paloma; Garcia de Sola, Rafael (ACTA NEUROCHIRURGICA, 2020)