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Zeybek C, Celebi A, Aktuglu-Zeybek C, Onal H, Yalcin Y, Erdem A, Akdeniz C, Imanov E, Altay S, Aydin A.Zeybek C, et al.Pediatr Int. 2010 Apr;52(2):218-23. doi: 10.1111/j.1442-200X.2009.02940.x. Epub 2009 Aug 7.Pediatr Int. 2010.PMID: 19674355