title: Multiple pseudotumors in IgG4-associated multifocal systemic fibrosis.
authors.forename: Hans J J
authors.initials: HJ
authors.lastname: van der Vliet
authors.forename: Roos M
authors.initials: RM
authors.lastname: Perenboom
mesh_terms: D000368:Aged; D001327:Autoimmune Diseases / Q000150:complications*; D005260:Female; D005355:Fibrosis / Q000150:complications* / Q000276:immunology*; D006104:Granuloma, Plasma Cell / Q000150:complications* / Q000276:immunology; D006801:Humans; D007074:Immunoglobulin G / Q000097:blood*
chemical_list: D007074:Immunoglobulin G