Khan, S.; Usama, M.; Basir, Y.; Muhammad, S.; Jawad, M.; Khan, T.; Usman, A.; Abbas, A. EVALUATION OF MODIFIED ALVARADO, RIPASA AND LINTULA SCORING SYSTEM AS DIAGNOSTIC TOOLS FOR ACUTE APPENDICITIS. J Ayub Med Coll Abbottabad 2020, 32, 46-50.