Maintenance with rituximab is safe and not associated with severe or uncommon infections in patients with follicular lymphoma: results from the phase IIIb MAXIMA study - Witzens-Harig, Mathias; Foá, Robin; Di Rocco, Alice; Hazel, Guy van; Chamone, Dalton de Alencar Fischer; Rowe, Jacob M.; Arcaini, Luca; Poddubnaya, Irina; Ho, Anthony D.; Ivanova, Valentina; Vranovsky, Andrej; Thurley, Dan; et al. (Annals of Hematology, 2014)