Antibody to carbonic anhydrase II is present in primary biliary cirrhosis irrespective of antimitochondrial antibody status. - Invernizzi,P.; Battezzati,PM.; Crosignani,A.; Zermiani,P.; Bignotto,M.; Del Papa,N.; Zuin,M.; Podda,M. (Clinical and Experimental Immunology, 1998)