Xu, Yanqiu, and Ping Xu. 2023. “A Predictive Model of Nosocomial Infection in Patients With Upper Urinary Tract Stones After Flexible Ureterorenoscopy With Laser Lithotripsy: A Retrospective Study”. Pakistan Journal of Medical Sciences 40 (3). https://doi.org/10.12669/pjms.40.3.8855.