Mitkov, Yanislav, Ilia Bashliev, Zhivko Shavalov, Dani Penev, Ivaylo Ivanov, Ivanka Taneva, and Atanas Yonkov. “Atypical Clinical Presentation of Acute Appendicitis: Diagnostic Challenges”. Surgery 89, no. 3 (October 20, 2025). Accessed October 3, 2026. https://bgss.eu/index.php/surgery/article/view/60.