Hematocrit in the first 2 hours of life and short-term outcomes in very preterm infants: A secondary analysis from a prospective cohort study. - Pu, Lanxiang; Li, Yuhong; Tan, Yongchao; Zhao, Ming; Xue, Meng; Jiang, Ning; Huang, Lei; Chen, Zhaowen (PLoS ONE, 2025)