Naomi Katayama, and Shyoko Kondo. “Results of a Questionnaire on Teeth for 118 People Who Participated in the University Festival”. Global Journal of Medical Research 20, no. K9 (July 15, 2020): 1–4. Accessed May 4, 2024. https://medicalresearchjournal.org/index.php/GJMR/article/view/2177.