What is the diagnostic utility of endoscopic scoring systems in children? - TUTAR, Engin; KUTLUK, Günsel; BAYRAK, Nevzat Aykut; ATAİZİ ÇELİKEL, Çiğdem; PEHLİVANOĞLU, Ender; ERTEM, Deniz (Turkish Journal of Gastroenterology, 2013)