Naomi Katayama, and Shyoko Kondo. “Chewing Questionnaire Survey Results and Chewing Ability Test Results of 118 People Who Participated in the University Festival”. Global Journal of Medical Research 20, no. K9 (July 15, 2020): 11–14. Accessed May 20, 2024. https://medicalresearchjournal.org/index.php/GJMR/article/view/2179.