Nivolumab in Relapsed/Refractory Classical Hodgkin Lymphoma – Extended Follow-up of 30 Patients Treated Within the CheckMate 205 Trial in a Single-Center. Issue 5 (October 2019) - Momotow, Jesko; Goergen, Helen; Behringer, Karolin; Bröckelmann, Paul J.; Borchmann, Sven; Tresckow, Bastian v.; Kobe, Carsten; Engert, Andreas; Sasse, Stephanie