title: Editorial comment.
authors.affiliation: Pediatric Urology Services, Cedars-Sinai Medical Center, Los Angeles, California.
authors.forename: Andrew L
authors.initials: AL
authors.lastname: Freedman
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D014518:Ureterocele / Q000601:surgery*; D018666:Ureteroscopy