title: Determination of serum pepsinogens by means of specific substrates.
mesh_terms: D006801:Humans; D007527:Isoenzymes / Q000097:blood*; D007700:Kinetics; D010434:Pepsin A / Q000097:blood; D010435:Pepsinogens / Q000097:blood*; D013379:Substrate Specificity
chemical_list: D007527:Isoenzymes; D010435:Pepsinogens; D010434:Pepsin A