title: Editorial Comment.
authors.affiliation: Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
authors.forename: Peter C
authors.initials: PC
authors.lastname: Black
mesh_terms: D001681:Biological Assay; D003558:Cystoscopy; D019175:DNA Methylation; D006417:Hematuria; D006801:Humans; D009154:Mutation