@article{shimauchi_takashiba_nishihara_kawase_takata_hara_yamazaki_yamamoto_2007, title={日本歯周病学会による歯周病分類システム(2006)}, volume={49}, DOI={10.2329/perio.49.3}, number={1}, publisher={JAPANESE SOCIETY OF PERIODONTOLOGY}, author={Shimauchi, Hidetoshi and Takashiba, Shogo and Nishihara, Tatsuji and Kawase, Toshio and Takata, Takashi and Hara, Yoshitaka and Yamazaki, Kazuhisa and Yamamoto, Matsuo}, year={2007} }