Iyer Ramesh S, Khanna Paritosh C
Pediatrics Division, Department of Radiology R-5438, Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA 98105-3901, USA.
Pediatr Radiol. 2010 Dec;40 Suppl 1:S102. doi: 10.1007/s00247-010-1790-8. Epub 2010 Aug 10.