title: Editorial comment for Kadlec et al.
authors.forename: Bobo E
authors.initials: BE
authors.lastname: Knudsen
mesh_terms: D005260:Female; D061847:Hospitals, High-Volume; D061846:Hospitals, Low-Volume; D006801:Humans; D007297:Inpatients; D008297:Male; D009403:Nephrostomy, Percutaneous; D010043:Outcome and Process Assessment, Health Care; D052878:Urolithiasis / Q000601:surgery*