Comparison of the Outcome of Combined Ultrasonic and Fluoroscopic Versus Fluoroscopic Guidance Percutaneous Nephrolithotomy: Comparison of the Outcome of Combined Ultrasonic and Fluoroscopic Versus Fluoroscopic Guidance Percutaneous Nephrolithotomy. Iraqi Natl J Med 2021, 3 (2), 65-73. https://doi.org/10.37319/iqnjm.3.2.7.