The risk of infections in hematologic patients treated with rituximab is not influenced by cumulative rituximab dosage - a single center experience - Nissen, Johanna; Hummel, Margit; Brade, Joachim; Kruth, Jens; Hofmann, Wolf-Karsten; Buchheidt, Dieter; Reinwald, Mark (BioMed Central; Springer, 2014)