title: [The variation and clinical significance of serum pepsinogen subgroups in atrophic gastritis and gastric cancer].
mesh_terms: D000328:Adult; D005260:Female; D005756:Gastritis / Q000201:enzymology*; D005757:Gastritis, Atrophic / Q000201:enzymology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D020116:Pepsinogen A; D010435:Pepsinogens / Q000097:blood*; D010446:Peptide Fragments / Q000097:blood*; D013274:Stomach Neoplasms / Q000201:enzymology*
chemical_list: D010435:Pepsinogens; D010446:Peptide Fragments; C037980:pepsinogen (1-12); D020116:Pepsinogen A