title: On tannin-iron method specificity.
mesh_terms: D000818:Animals; D004386:Duodenum / Q000032:analysis; D006651:Histocytochemistry / Q000379:methods*; D007501:Iron; D009077:Mucins / Q000032:analysis*; D009420:Nervous System / Q000032:analysis; D009474:Neurons / Q000032:analysis*; D013634:Tannins
chemical_list: D009077:Mucins; D013634:Tannins; D007501:Iron