Histochemical identification of enzyme activity in frozen tissues and tumors.
D000818:Animals; D006168:Guinea Pigs; D006651:Histocytochemistry; D006801:Humans; D006867:Hydrolases / Q000032:analysis*; D007668:Kidney / Q000201:enzymology*; D008099:Liver / Q000201:enzymology*; D010088:Oxidoreductases / Q000032:analysis*
D010088:Oxidoreductases; D006867:Hydrolases