Chompuk, L.- or, W. Prayulsatien, and J. Howannapakorn. “Anatomical Variation and Histopathology of Vermiform Appendix in Autopsy Cases”. Ramathibodi Medical Journal, vol. 35, no. 3, Sept. 2012, pp. 160-9, https://he02.tci-thaijo.org/index.php/ramajournal/article/view/135097.