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Stranzinger, Enno; Dipietro, Michael A; Yarram, Sai; Khalatbari, Shokoufeh; Strouse, Peter J (2009). Intramural and subserosal echogenic foci on US in large-bowel intussusceptions: prognostic indicator for reducibility? Pediatric radiology, 39(1), pp. 42-6. Berlin: Springer-Verlag 10.1007/s00247-008-1039-y
