Development and internal validation of El-Shazly-Buchholz's nomogram to predict postoperative complications after PCNL: A multicenter study. - Bapir, Rawa; Bhatti, Kamran; El-Shazly, Mohamed; Galan, Juan Antonio; Harraz, Ahmed M.; Noori Mahmood, Sarwar; Pedro, Renato N.; Vargas, Pablo; Papatsoris, Athanasios; Trinchieri, Alberto; Buchholz, Noor (Archives of Italian Urology & Andrology / Archivio Italiano di Urologia Andrologia, 2024)