anti-er antibodies were also detected in 38-53 % of patients with different chronic inflammatory disorders of unknown aetiology ( polymyalgia rheumatica , vasculitis , sarcoidosis , ankylosing spondylitis etc . ) while only 6 % of patients with typical autoimmune disorders ( collagen diseases , lupoid hepatitis , primary biliary cirrhosis ) and 8 % of blood donors had this antibody .
C0042384
vasculitis
C0004364
autoimmune