Fatal Outcome of Rituximab in an ANCA Negative Granulomatosis with Polyangiitis Patient with Acute Pancreatitis and Pancreatic Mass - Alesaeidi, Samira; Hashemi-Amir, Seyedeh Y.; Piri, Seyed M.; Tavakolpour, Soheil (Current Rheumatology Reviews, 2021)