title: Editorial comment.
authors.forename: Peter R
authors.initials: PR
authors.lastname: Carroll
mesh_terms: D006417:Hematuria / Q000175:diagnosis* / Q000652:urine*; D006801:Humans; D012017:Referral and Consultation / Q000706:statistics & numerical data; D019564:Unnecessary Procedures; D016482:Urinalysis / Q000706:statistics & numerical data