title: Some recent refinements of quantitative histochemical analysis.
mesh_terms: D000818:Animals; D004798:Enzymes / Q000032:analysis*; D005629:Frozen Sections; D006651:Histocytochemistry / Q000379:methods*; D009243:NAD; D009249:NADP; D013050:Spectrometry, Fluorescence; D014867:Water
chemical_list: D004798:Enzymes; D014867:Water; D009243:NAD; D009249:NADP