title: Determining biological fine structure by differential absorption of soft x-rays.
mesh_terms: D001369:Axons / Q000648:ultrastructure; D006801:Humans; D008022:Ligaments / Q000648:ultrastructure; D008854:Microscopy, Electron / Q000379:methods*; D008855:Microscopy, Electron, Scanning / Q000379:methods; D009413:Nerve Fibers, Myelinated / Q000648:ultrastructure; D010525:Peripheral Nerves / Q000648:ultrastructure; D011509:Proteoglycans; D011859:Radiography
chemical_list: D011509:Proteoglycans