title: Two-needle modification of the Whitaker test.
authors.affiliation: Department of Urology, Royal Liverpool Children's Hospital.
authors.forename: P G
authors.initials: PG
authors.lastname: Wentzell
authors.forename: A J
authors.initials: AJ
authors.lastname: Arnold
authors.forename: H
authors.initials: H
authors.lastname: Carty
authors.forename: A M
authors.initials: AM
authors.lastname: Rickwood
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007260:Infusion Pumps; D008722:Methods; D009339:Needles; D011312:Pressure; D014517:Ureteral Obstruction / Q000503:physiopathology*