title: Feulgen staining of deoxyribonucleic acid with Bismarch brown-SO 2 .
mesh_terms: D000818:Animals; D004396:Coloring Agents / Q000138:chemical synthesis; D004247:DNA; D004355:Drug Stability; D008722:Methods; D051381:Rats; D013194:Staining and Labeling; D013458:Sulfur Dioxide
chemical_list: D004396:Coloring Agents; D013458:Sulfur Dioxide; D004247:DNA