title: [Electron microscopic studies on the initial formation of Korff's fibrils].
mesh_terms: D000818:Animals; D003094:Collagen; D051379:Mice; D008854:Microscopy, Electron; D009804:Odontoblasts / Q000648:ultrastructure*; D009805:Odontogenesis; D014083:Tooth Germ / Q000648:ultrastructure*
chemical_list: D003094:Collagen