title: Long-term effects of tetracycline on the subgingival microflora.
mesh_terms: D000328:Adult; D004341:Drug Evaluation; D005260:Female; D005881:Gingiva / Q000382:microbiology*; D006801:Humans; D010510:Periodontal Diseases / Q000188:drug therapy* / Q000382:microbiology; D013752:Tetracycline / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D013752:Tetracycline