title: On noncarcinogenic chromogens for horseradish peroxidase histochemistry.
mesh_terms: D000818:Animals; D001560:Benzidines; D002396:Catechols; D006651:Histocytochemistry / Q000379:methods*; D006735:Horseradish Peroxidase / Q000032:analysis*; D009474:Neurons / Q000032:analysis*; D010544:Peroxidases / Q000032:analysis*; D010655:Phenylenediamines; D014426:Turtles
chemical_list: D001560:Benzidines; D002396:Catechols; D010655:Phenylenediamines; D006735:Horseradish Peroxidase; D010544:Peroxidases