A Case of Warm Autoimmune Hemolytic Anemia With a Direct Antiglobulin Test Positive for C3 in Rheumatoid Arthritis Patient Successfully Treated With Low-Dose Rituximab. Issue 1 (January 2020) - Salvadori, Ugo; Raffeiner, Bernd; Al-Khaffaf, Ahmad; Lippi, Giuseppe; Daves, Massimo