RT Journal Article SR Electronic T1 Trauma to a horseshoe kidney. JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 455 OP 456 DO 10.1136/emj.16.6.455 VO 16 IS 6 A1 A Daudia A1 T B Hassan A1 D Ramsay YR 1999 UL http://emj.bmj.com/content/16/6/455.abstract AB