1. Disease Control Priorities, Third Edition: Volume 1. Essential Surgery;Debas HT,2015
2. Diagnostic importance of Alvarado and RIPASA score in acute appendicitis;Rodrigues W;Int J Sci Study,2017
3. Acute appendicitis in the elderly; Pakistan Ordnance Factories Hospital, Wah Cantt. experience;Salahuddin O;J Pak Med Assoc,2012
4. RIPASA score: a new diagnostic score for diagnosis of acute appendicitis;Butt MQ;J Coll Physicians Surg Pak,2014
5. Diagnostic values of ultrasound and the Modified Alvarado Scoring System in acute appendicitis;Nasiri S;Int J Emerg Med,2012