title: Electron-microscopic studies on the passage of white blood cells through the gingival epithelium in parodontopathies.
mesh_terms: D002465:Cell Movement; D004848:Epithelium / Q000473:pathology; D005881:Gingiva / Q000473:pathology*; D006801:Humans; D007962:Leukocytes; D008854:Microscopy, Electron; D010510:Periodontal Diseases / Q000473:pathology*