title: Selective staining of cell nuclei with haematoxylin containing transitional metal cations.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D005260:Female; D007477:Ions; D007668:Kidney; D008099:Liver; D008297:Male; D008670:Metals; D009206:Myocardium; D009696:Nucleic Acids / Q000378:metabolism*; D010053:Ovary; D051381:Rats; D013154:Spleen; D013194:Staining and Labeling; D013737:Testis
chemical_list: D007477:Ions; D008670:Metals; D009696:Nucleic Acids