title: Wegener's granulomatosis presenting as theumatoid arthritis (two cases).
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D001799:Blood Sedimentation; D003520:Cyclophosphamide / Q000627:therapeutic use; D003937:Diagnosis, Differential; D004342:Drug Hypersensitivity; D005260:Female; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008875:Middle Aged; D011859:Radiography
chemical_list: D003520:Cyclophosphamide