Naomi Katayama, Shyoko Kondo. Results of Questionnaire Survey on Gum Chews of Thirty-days for University Female Students. GJMR [Internet]. 2020 Jul. 15 [cited 2024 May 1];20(K9):15-7. Available from: https://medicalresearchjournal.org/index.php/GJMR/article/view/2181