title: To bag or not to bag.
authors.forename: Ellen R
authors.initials: ER
authors.lastname: Wald
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D012307:Risk Factors; D013048:Specimen Handling / Q000379:methods; D016482:Urinalysis / Q000379:methods*; D014546:Urinary Catheterization; D014552:Urinary Tract Infections / Q000175:diagnosis* / Q000209:etiology / Q000652:urine; D014556:Urine / Q000382:microbiology