title: [Histopathological and histochemical studies on the gingiva in periodontitis].
mesh_terms: D004247:DNA / Q000032:analysis; D005881:Gingiva / Q000032:analysis; D006025:Glycosaminoglycans / Q000032:analysis; D006651:Histocytochemistry; D010518:Periodontitis / Q000473:pathology; D012313:RNA / Q000032:analysis
chemical_list: D006025:Glycosaminoglycans; D012313:RNA; D004247:DNA