title: [An enzyme-linked immunosorbent assay of serum group I pepsinogen using a monoclonal antibody and its clinical application].
mesh_terms: D000328:Adult; D000368:Aged; D000911:Antibodies, Monoclonal; D004381:Duodenal Ulcer / Q000201:enzymology; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010435:Pepsinogens / Q000097:blood*; D013274:Stomach Neoplasms / Q000201:enzymology; D013276:Stomach Ulcer / Q000201:enzymology
chemical_list: D000911:Antibodies, Monoclonal; D010435:Pepsinogens