Thapanakulsak, D. “Comparison of Force Causing Breakage of Short Leg Posterior Slabs Done by Edge-folded and Edge-trimmed Types”. Vajira Medical Journal : Journal of Urban Medicine, vol. 53, no. 3, Sept. 2011, pp. 267-71, https://he02.tci-thaijo.org/index.php/VMED/article/view/414.