title: Localisation of radiolucent stones in the ureter--extra coil of double pigtail stent as a 'pointer'.
authors.affiliation: Stone Clinic, New Delhi, India.
authors.forename: V
authors.initials: V
authors.lastname: Bhatia
authors.forename: C S
authors.initials: CS
authors.lastname: Biyani
authors.forename: D
authors.initials: D
authors.lastname: Baliga
mesh_terms: D006801:Humans; D008096:Lithotripsy; D011859:Radiography; D015607:Stents; D014513:Ureter / Q000000981:diagnostic imaging*; D014514:Ureteral Calculi / Q000000981:diagnostic imaging* / Q000628:therapy