Qilian, Z., Yuxia, T., Liping, Y., Lingling, X., Lijuan, Y., Zhuchun, Y., Qianqian, Z. (2023). Establishment of a nomogram for predicting functional constipation among children in China: Using the Rome IV criteria. Arab Journal of Gastroenterology. https://doi.org/10.1016/j.ajg.2023.05.003