IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-11-32042 Original Research Paper COMPARITIVE STUDY OF RAJA ISTERI PENGIRAN ANAK SALEHA APPENDICITIS (RIPASA) AND MODIFIED ALVARADO SCORING SYSTEM (MASS) IN REDUCING NEGATIVE APPENDECTOMY Rudhee Sehgal Dr. Dr Siddharth Sinha Dr. November 2020 9 11 01 02