title: Comment on: arthropathy with infiltrate IgG4-positive plasma cells in synovium.
authors: Hirofumi
authors: H
authors: Taki
authors: Shoko
authors: S
authors: Matsui
authors: Koichiro
authors: K
authors: Shinoda
authors: Kazuyuki
authors: K
authors: Tobe
mesh_terms: D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D020370:Osteoarthritis, Knee / Q000175:diagnosis* / Q000276:immunology*; D013583:Synovial Membrane / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G