title: Editorial Comment.
authors.affiliation: James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland.
authors.forename: Brian R
authors.initials: BR
authors.lastname: Matlaga
mesh_terms: D006801:Humans; D007669:Kidney Calculi / Q000000981:diagnostic imaging* / Q000473:pathology*; D014463:Ultrasonography