The Survey of Prevalence of Aphthous Oral Ulceration by Patient’s Self Report in 12- to 18-Years Old Thai Students in Srinakharinwirot Prasarnmitr Demonstration School. (2014). Srinakharinwirot University Dental Journal (E-ISSN 2774-0811), 3(1), 7-14. https://ejournals.swu.ac.th/swudentj/article/view/4513