title: The chemical determination of section thickness.
mesh_terms: D000818:Animals; D005260:Female; D006651:Histocytochemistry; D006652:Histological Techniques; D008099:Liver / Q000032:analysis / Q000166:cytology; D008867:Microtomy; D009696:Nucleic Acids / Q000032:analysis*; D051381:Rats
chemical_list: D009696:Nucleic Acids