Unscheduled hospitalization as a potential trigger for specialist palliative care referral in patients with high grade glioma: a retrospective analysis in a tertiary hospital - Torres-Tenor, Juan Luis; Garcia-Leal, Andrea; Hui, David; Bruera, Eduardo; Martinez-Marin, Virginia; Castano-Cantos, Ana; Alonso-Babarro, Alberto (JOURNAL OF NEURO-ONCOLOGY, 2025)