title: The use of phase-contrast microscopy and chemotherapy in the diagnosis and treatment of periodontal lesions--an initial report (I).
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis* / Q000188:drug therapy*; D006801:Humans; D008858:Microscopy, Phase-Contrast; D010510:Periodontal Diseases / Q000175:diagnosis* / Q000188:drug therapy*; D013752:Tetracycline / Q000627:therapeutic use
chemical_list: D013752:Tetracycline