title: Editorial comment.
authors.forename: Carlos
authors.initials: C
authors.lastname: Estrada
mesh_terms: D002648:Child; D006801:Humans; D015588:Observer Variation; D014521:Urethra / Q000503:physiopathology*; D014563:Urodynamics; D014718:Vesico-Ureteral Reflux / Q000145:classification* / Q000503:physiopathology*