IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-5-35216 Original Research Paper Comparison of the outcome of Extra-corporeal Shock Wave Lithotripsy with Percutaneous Nephrolithotomy for Kidney stones of 1.5 cm to 2 cm in size and +250 HU To +1000 HU in density Anurodh Kumar Dr. Prof (Dr) AK Kaku Singh Dr. May 2021 10 5 01 02