Harry TC, Bozimo GEL, Dimoko AA, Ikuabe P, Kombo BB. Item-analysis of the multiple-choice questions used in the formative assessment of introductory posting examination in Medicine and Surgery at a medical university in Southern Nigeria. NDJMS. 2025;4(2):32-43. Accessed February 19, 2026. https://ndjms.org.ng/index.php/home/article/view/10