Prophylaxis with rFIXFc Reduces the Frequency and Delays Time to First Spontaneous Bleed Event in Previously Untreated Patients with Hemophilia B: A Post Hoc Analysis of the PUPs B-LONG Trial - Nolan, Beatrice; Recht, Michael; Rendo, Pablo; Falk, Aletta; Foster, Meredith; Casiano, Sandra; Rauch, Antoine; Shapiro, Amy D. (Blood, 2021)