OC.09.1: Autoantibodies Against Atp4A And Atp4B Subunits Of Gastric Proton Pump H+, K+-Atpase Are Reliable Serological Markers Of Gastric Body Atrophy. (15th March 2017) - Lahner, E.; Brigatti, C.; Carabotti, M.; Scalese, G.; Davidson, H.W.; Wenzlau, J.M.; Lampasona, V.; Annibale, B.