Baştürk, A., Artan, R., Atalay, A., & Yılmaz, A. (2017). Investigation of the efficacy of synbiotics in the treatment of functional constipation in children: a randomized double-blind placebo-controlled study. Turkish Journal of Gastroenterology, 28(5), 388–393. https://doi.org/10.5152/tjg.2017.17097