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Tan CJ, Aronson DC, Ekkelkamp S, van de Heide-Jalving M, Vos A.Tan CJ, et al. Among authors: ekkelkamp s.J Pediatr Surg. 1995 Nov;30(11):1594-5. doi: 10.1016/0022-3468(95)90163-9.J Pediatr Surg. 1995.PMID: 8583331