title: Metaphase chromosome structure: evidence for a radial loop model.
mesh_terms: D002453:Cell Cycle; D002458:Cell Fractionation / Q000379:methods; D002877:Chromosomes, Human / Q000648:ultrastructure*; D006367:HeLa Cells / Q000648:ultrastructure; D006801:Humans; D008677:Metaphase; D008854:Microscopy, Electron; D008957:Models, Genetic; D009698:Nucleoproteins / Q000378:metabolism; D009707:Nucleosomes / Q000648:ultrastructure; D011487:Protein Conformation
chemical_list: D009698:Nucleoproteins; D009707:Nucleosomes