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Bradnock TJ, Knight M, Kenny S, Nair M, Walker GM; British Association of Paediatric Surgeons Congenital Anomalies Surveillance System (BAPS-CASS).Bradnock TJ, et al.J Pediatr Surg. 2017 Sep;52(9):1451-1457. doi: 10.1016/j.jpedsurg.2017.05.008. Epub 2017 May 11.J Pediatr Surg. 2017.PMID: 28528714