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Akhnikh S, Engelberts AC, van Sleuwen BE, L'Hoir MP, Benninga MA.Akhnikh S, et al. Among authors: engelberts ac.Pediatr Ann. 2014 Apr;43(4):e69-75. doi: 10.3928/00904481-20140325-07.Pediatr Ann. 2014.PMID: 24716561Review.