Do Italian pediatricians apply the 2014 Naspghan-Espghan guidelines for the diagnosis and management of functional constipation?. (8th October 2015) - Ciullo, C.; Mezzina, I.; D'Abramo, F.; Praitano, M.; Indrio, F.; Gentile, P.; Chinellato, I.; Tedeschi, G.; Mastrototaro, M.F.; Francavilla, R.; Cristofori, F.