[1]
C. . Naulyong, T. . Taweemonkongsap, S. . Leewansangtong, and . S. . Soontrapa, “Percutaneous Nephrolithotomy vs Open Pyelolithotomy for Renal Pelvis Calculi”, Siriraj Med J, vol. 51, no. 7, pp. 506–513, Jul. 1999.