Rituximab in newly diagnosed stage IA nodular lymphocyte-predominant Hodgkin lymphoma: long-term follow-up of a phase 2 study from the German Hodgkin Study Group - Eichenauer, Dennis A.; Plütschow, Annette; Fuchs, Michael; Hartmann, Sylvia; Hansmann, Martin-Leo; Böll, Boris; von Tresckow, Bastian; Borchmann, Peter; Engert, Andreas (Leukemia, 2020)