3Kamisawa T, Okamoto A. Autoimmune panereatitis: proposal of IgG4-related selerosing disease. J Gastroenterol, 2006,41 : 613- 625.
4Khosroshahi A, Bloch DB, Deshpande V, et al. Rituximab therapy leads to rapid decline of serum IgG4 levels and prompt elinical improvement in IgG4- related systemic disease. Arthritis Rheum, 2010,62 : 1755-1762.