title: Editorial comment.
authors.affiliation: The Johns Hopkins School of Medicine, Las Vegas, NV.
authors.forename: Ranjiv
authors.initials: R
authors.lastname: Mathews
mesh_terms: D004106:Dilatation / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D014517:Ureteral Obstruction / Q000601:surgery*