P414: PATIENT-DERIVED XENOGRAFT MODELS ARE THE LEADING STRATEGY TO IDENTIFY NEW AGENTS FOR PEDIATRIC ACUTE MYELOID LEUKEMIA - Ambra Da Ros; Valentina Indio; Alberto Peloso; Claudia Tregnago; Giulia Borella; Maddalena Benetton; Giorgia Longo; Silvia Bresolin; Barbara Buldini; Andrea Pession; Franco Locatelli; Martina Pigazzi (HemaSphere, 2023)