title: Unreliability of ultrastructural demonstration of enzymes which depend upon hydrogen peroxide production from action on their substrates.
mesh_terms: D004156:Catechol Oxidase; D004798:Enzymes / Q000032:analysis*; D005069:Evaluation Studies as Topic; D006861:Hydrogen Peroxide; D008722:Methods
chemical_list: D004798:Enzymes; D006861:Hydrogen Peroxide; D004156:Catechol Oxidase