Pimratana, C., U. . Wijitsettakul, and P. . Cheunganuwat. “Comparison of the Outcomes Between Ultrasound-Guided PCNL in Lateral Position and Open Nephrolithotomy for Patients With Staghorn Renal Stones”. Siriraj Medical Journal, vol. 73, no. 3, Feb. 2021, pp. 191-7, doi:10.33192/Smj.2021.25.