title: A radial diffusion assay for pepsinogen and pepsin.
mesh_terms: D000818:Animals; D002417:Cattle; D010450:Endopeptidases / Q000032:analysis; D004792:Enzyme Precursors / Q000032:analysis; D005750:Gastric Juice / Q000201:enzymology; D005782:Gels; D006454:Hemoglobins; D008722:Methods; D010434:Pepsin A / Q000032:analysis* / Q000652:urine; D013552:Swine
chemical_list: D004792:Enzyme Precursors; D005782:Gels; D006454:Hemoglobins; D010450:Endopeptidases; D010434:Pepsin A