Biliary Rhabdomyosarcoma in Pediatric Patients: A Systematic Review and Meta-Analysis of Individual Patient Data - Fuchs, Juri; Murtha-Lemekhova, Anastasia; Kessler, Markus; Guenther, Patrick; Fichtner, Alexander; Pfeiffenberger, Jan; Probst, Pascal; Hoffmann, Katrin (Zeitschrift für Gastroenterologie, 2022)