Rituximab plus methotrexate combination as a salvage therapy in persistently active granulomatosis with polyangiitis. - Sorin, Boris; Samson, Maxime; Durel, Cécile-Audrey; Diot, Elisabeth; Guichard, Isabelle; Grados, Aurélie; Limal, Nicolas; Régent, Alexis; Cohen, Pascal; Dion, Jérémie; Legendre, Paul; Guern, Véronique Le; et al. (Rheumatology, 2022)