Mansab Ali, Surrendar Dawani, Madiha Masood Khan, Salman Jafferi, Adeela Z Siddiqui, Rakesh Kumar 2022. Validate the Precision of the RIPASA Grading System for the Diagnosis of Acute Appendicitis: A Cross-Sectional Study. Pakistan Journal of Medical & Health Sciences. 16, 03 (Apr. 2022), 867. DOI:https://doi.org/10.53350/pjmhs22163867.