Comparison of Early Outcome between Patients of Open Appendectomy with and without Drain for Perforated Appendicitis. Journal of Fatima Jinnah Medical University, [S. l.], v. 11, n. 1, 2018. Disponível em: https://www.jfjmu.com/index.php/ojs/article/view/25. Acesso em: 22 apr. 2026.