A Novel FLI1 Monoclonal Antibody Which Recognizes EWS::FLI1 with High Affinity Is Useful for Detecting Ewing Sarcoma. - Selvanathan SP; Lansinger OO; Allegakoen DV; McGuire EJW; Gaffey AR; Petro JR; Tiwari PB; Tufiño Q; Üren A; Toretsky JA (Antibodies (Basel, Switzerland), 2025)