Al-Najjar DSM. Mild Pelvicalyceal System Dilatation Observed by Ultrasound as a Sign of Acute Appendicitis. Zanco J Med Sci [Internet]. 2018 Oct. 29 [cited 2024 Dec. 22];14(3 Special):13-9. Available from: https://zjms.hmu.edu.krd/index.php/zjms/article/view/495