@article{article98167b85, title = {Epidemiology of functional gastrointestinal disorders in infants and toddlers: A systematic review}, author = {Ferreira-Maia, Ana Paula and Matijasevich, Alicia and Wang, Yuan-Pang}, year = {2016}, doi = {10.3748/WJG.v22.i28.6547}, journal = {World Journal of Gastroenterology} }