title: Heterogeneity of nucleosomes upon dissociation with salts.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000032:analysis*; D002458:Cell Fractionation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D002843:Chromatin / Q000302:isolation & purification*; D008793:Metrizamide; D051379:Mice; D008854:Microscopy, Electron; D009707:Nucleosomes / Q000032:analysis*; D012492:Salts
chemical_list: D002843:Chromatin; D009707:Nucleosomes; D012492:Salts; D008793:Metrizamide