Characterization of gut microbiota in preterm infants at discharge: a single-center observational study - Wei, Qiaozhen; Wei, Bingmei; Huang, Qingmei; Zhu, Yunlei; Chen, Qing; Qin, Lixue; Chen, Yujun; Huang, Linzhen; Li, Ruishan (Pediatric Medicine, 2025)