Daratumumab for Refractory and Frequently Relapsing Immune Thrombotic Thrombocytopenic Purpura – a Case Series with Long-Term Follow-up - Schimmer, R; van den Berg, J; Schraner, M; Trinchero, A; Holbro, A; Kremer Hovinga, J; Studt, J-D (Hämostaseologie, 2025)