title: Study of calf thymus deoxyribonucleoproteins by means of gel electrophoresis. Effect of ionic composition on the mode of chromatin fragmentation.
mesh_terms: D000818:Animals; D002417:Cattle; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis; D002843:Chromatin / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D004591:Electrophoresis, Polyacrylamide Gel; D046911:Macromolecular Substances; D009698:Nucleoproteins / Q000032:analysis*; D009994:Osmolar Concentration; D013010:Sonication; D013950:Thymus Gland / Q000032:analysis*
chemical_list: D002843:Chromatin; D046911:Macromolecular Substances; D009698:Nucleoproteins; D004247:DNA