Comparison of the periodontal condition in Korean and Japanese adults: a cross-sectional study
Michiko Furuta, Kenji Takeuchi, Yoshihiro Shimazaki, Toru Takeshita, Yukie Shibata, Jun Hata, Daigo Yoshida, Deok-Young Park, Toshiharu Ninomiya, Yoshihisa Yamashita
BMJ Open Nov 2018, 8 (11) bmjopen-2018-024332; DOI: 10.1136/bmjopen-2018-024332