Hongseethong, Naphattharaphong, Siriporn Kamsa-ard, Rajda Noisombut, and Ratchanekorn Savisit. “Association Between the Categories of Tooth Loss by Eichner’s Index and Impacts on Oral Health-Related Quality of Life Among Elderly”. Khon Kaen University Dental Journal 21, no. 1 (June 28, 2018): 10–20. Accessed May 2, 2024. https://he01.tci-thaijo.org/index.php/KDJ/article/view/131177.