title: The influence of vitamin C on the periodontal membrane space--a radiographic study.
mesh_terms: D000328:Adult; D001205:Ascorbic Acid / Q000494:pharmacology* / Q000627:therapeutic use; D001361:Avitaminosis / Q000150:complications; D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D006801:Humans; D010510:Periodontal Diseases / Q000188:drug therapy; D010519:Periodontium / Q000000981:diagnostic imaging / Q000187:drug effects*; D011859:Radiography
chemical_list: D001205:Ascorbic Acid