Rheumatoid vasculitis.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D003165:Complement System Proteins / Q000032:analysis; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000276:immunology
D007136:Immunoglobulins; D003165:Complement System Proteins