title: DNA packing in single crystals inferred from freeze-fracture-etch replicas.
mesh_terms: D003461:Crystallography; D004247:DNA; D005613:Freeze Etching; D005614:Freeze Fracturing; D008854:Microscopy, Electron; D008970:Molecular Weight; D011108:Polymers; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: D011108:Polymers; D004247:DNA