title: [Histopathological and histochemical study on permeability and defense mechanism of crevicular epithelium in marginal periodontitis (author's transl)].
mesh_terms: D000818:Animals; D004848:Epithelium / Q000503:physiopathology*; D005881:Gingiva / Q000503:physiopathology*; D006801:Humans; D051379:Mice; D010518:Periodontitis / Q000503:physiopathology*; D051381:Rats