title: A modified hemoglobin substrate method for the estimation of pepsin in gastric juice.
mesh_terms: D000818:Animals; D002417:Cattle; D005374:Filtration; D005750:Gastric Juice / Q000201:enzymology*; D006454:Hemoglobins; D006358:Hot Temperature; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010434:Pepsin A / Q000032:analysis*; D010783:Photometry; D013997:Time Factors; D014238:Trichloroacetic Acid
chemical_list: D006454:Hemoglobins; D014238:Trichloroacetic Acid; D010434:Pepsin A