Periodontal Status and Metabolic Syndrome in Middle‐Aged Japanese 論文 Nao Fukui・Yoshihiro Shimazaki・Takashi Shinagawa・Yoshihisa Yamashita ·2012-01-16 ·『Journal of Periodontology』 83(11) pp. 1363-1371 doi:10.1902/jop.2012.110605