title: Bagging the bag.
authors.forename: Thomas R
authors.initials: TR
authors.lastname: Welch
mesh_terms: D002648:Child; D003951:Diagnostic Errors; D006801:Humans; D013048:Specimen Handling / Q000295:instrumentation / Q000379:methods*; D014546:Urinary Catheterization; D014552:Urinary Tract Infections / Q000175:diagnosis*; D014556:Urine / Q000382:microbiology*