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Offiah A, van Rijn RR, Perez-Rossello JM, Kleinman PK.Offiah A, et al. Among authors: van rijn rr.Pediatr Radiol. 2009 May;39(5):461-70. doi: 10.1007/s00247-009-1157-1. Epub 2009 Feb 24.Pediatr Radiol. 2009.PMID: 19238374Review.