Zafar U, Ali Z, Khalid A, Zaki S, Naeem FJ, Chaudhry MA. DIFFICULTY INDEX, DISCRIMINATION INDEX, SENSITIVITY AND SPECIFICITY OF SINGLE BEST ANSWER QUESTIONS TO ASSESS MEDICAL STUDENTS’ PERFORMANCE IN SEND UP EXAMINATION AT LAHORE MEDICAL & DENTAL COLLEGE. Pak J Phsyiol [Internet]. 2022 Sep. 30 [cited 2024 Dec. 4];18(3):44-7. Available from: https://pjp.pps.org.pk/index.php/PJP/article/view/1472