Plengvittaya, S., C. Plengvittaya, R. Muenpa, T. Tantanasin, P. Pongsriwat, V. Panya, and S. Linseankart. “Proportion and Factors Associated with Ruptured Appendicitis Among Patients Undergoing Appendectomy at Lampang Hospital: A Retrospective Cohort Study”. Lampang Medical Journal, vol. 47, no. 2, Sept. 2026, pp. 100-11, https://he01.tci-thaijo.org/index.php/LMJ/article/view/284625.