title: A high-resolution electron microscopy study of nucleosomes from simian virus 40 chromatin.
mesh_terms: D004279:DNA, Viral / Q000032:analysis; D008855:Microscopy, Electron, Scanning; D009707:Nucleosomes / Q000032:analysis / Q000648:ultrastructure*; D013539:Simian virus 40 / Q000032:analysis / Q000648:ultrastructure*
chemical_list: D004279:DNA, Viral; D009707:Nucleosomes