title: Editorial comment.
authors: Section of Endourology and Minimally Invasive Surgery, Glickman Urologic Institute, Cleveland Clinic, Cleveland, Ohio, USA.
authors: Mark J
authors: MJ
authors: Noble
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000453:epidemiology*; D008297:Male; D015995:Prevalence; D017678:Sex Distribution; D014481:United States / Q000453:epidemiology