Plengvittaya, S.; Plengvittaya, C.; Muenpa, R.; Tantanasin, T.; Pongsriwat, P.; Panya, V.; Linseankart, S. Proportion and Factors Associated with Ruptured Appendicitis Among Patients Undergoing Appendectomy at Lampang Hospital: A Retrospective Cohort Study. Lampang Med J 2026, 47, 100-111.