the pepsinogen a ( pga ) isozymogens in the gastric mucosa and barrett epithelium of a female patient with barrett esophagus were studied on different occasions during a 3-year period by electrophoretic analysis of in vivo steady-state pepsinogen in biopsies by activity staining in combination with variant specific monoclonal antibodies and of de novo synthesized pepsinogen by autoradiography .
C0077923
a
C0030913
pepsinogen