title: Ultrastructure human gingival healing studies: unusual results providing a hypothesis.
mesh_terms: D000328:Adult; D004848:Epithelium / Q000648:ultrastructure*; D005881:Gingiva / Q000098:blood supply / Q000503:physiopathology*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014945:Wound Healing