1. 1)Flemmig TF.: Periodontitis. Ann. Periodontol., 4: 32-37, 1999.
2. 2)Pihlstrom BL., Michalowicz BS. and Johnson NW.: Periodontal diseases. Lancet, 366: 1809-1820, 2005.
3. 3)Kunimatsu K., Ozaki Y., Hara Y., Aoki Y., Yamamoto K. and Kato I.: Immunohistochemical study of cathepsin G and medullasin in inflamed gingival tissues from periodontal patients. J. Periodont. Res., 32: 264-270, 1997.
4. 4)Földi M., Földi E. and Kubic S.: Physiologie und pathophysiologie des lymphgeäßsystems. Lehrbuch der Lymphologie, 6.auflage. München, ELSEVIER Urban&Fischer. pp194-200, 2005.
5. 5)Fujimura A. and Nozaka Y.: Lymphatic architecture in the oral region -The application as a drug delivery route-. Jpn. J. Lymphology., 31: 2-5, 2008.