title: The ultrastructure of ferritin macromolecules. I. Ultrahigh voltage electron microscopy (1-3 MeV).
mesh_terms: D000818:Animals; D003461:Crystallography; D005293:Ferritins; D006736:Horses; D007501:Iron; D046911:Macromolecular Substances; D008722:Methods; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D013154:Spleen
chemical_list: D046911:Macromolecular Substances; D005293:Ferritins; D007501:Iron