Mass spectrometry-based proteomics of cerebrospinal fluid in pediatric central nervous system malignancies: a systematic review with meta-analysis of individual patient data. - Mirian, Christian; Thastrup, Maria; Mathiasen, René; Schmiegelow, Kjeld; Olsen, Jesper Velgaard; Østergaard, Ole (Fluids & Barriers of the CNS, 2024)