title: Note to the paper: protease substrate film test. (Histochemistry 38, 331-338 (1974). Warning of a pitfall.
mesh_terms: D004796:Clinical Enzyme Tests; D005780:Gelatin; D008722:Methods; D010447:Peptide Hydrolases / Q000032:analysis*
chemical_list: D005780:Gelatin; D010447:Peptide Hydrolases