Majid, Muhammad, et al. “COMPARISON OF ALVARADO SCORE AND RIPASA SCORE IN THE ACCURATE DIAGNOSIS OF ACUTE APPENDICITIS IN COMBINED MILITARY HOSPITAL RAWALPINDI: Scoring Systems in Acute Appendicitis”. Pakistan Armed Forces Medical Journal, vol. 71, no. 5, Oct. 2021, pp. 1519-23, doi:10.51253/pafmj.v71i5.3596.