Lowe Lisa H, Fernando Sujan, Obaldo Ruby, Walsh Irene
Department of Radiology, Children's Mercy Hospitals and Clinics, The University of Missouri-Kansas City, Kansas City, MO 64108, USA.
Pediatr Radiol. 2008 Aug;38(8):839-40. doi: 10.1007/s00247-008-0821-1. Epub 2008 Apr 15.