Tamilmuthu M, Senthil Kumar P, Mohan Periyasamy, “PRECISE SCORE, A PREDICTIVE TOOL VALIDATION FOR STONE-FREE RATE AFTER RETROGRADE INTRARENAL SURGERY (RIRS) FOR RENAL STONES GREATER THAN 2 CENTIMETRES-A RETROSPECTIVE STUDY ”, IJPRT, vol. 16, no. 1, pp. 213–224, Jan. 2026.