title: Fractionation of chromatin by buoyant density-gradient sedimentation in metrizamide.
mesh_terms: D002500:Centrifugation, Isopycnic; D002843:Chromatin; D006570:Heterochromatin / Q000302:isolation & purification; D008793:Metrizamide
chemical_list: D002843:Chromatin; D006570:Heterochromatin; D008793:Metrizamide