Erythropoietin, transfusions, and outcomes of retinopathy of prematurity and brain injury in extremely preterm infants: A post hoc analysis of the Preterm Erythropoietin Neuroprotection Trial (PENUT) - Nancy M. Fahim; Scott Lunos; Raghavendra B. Rao; Michael K. Georgieff; Sandra Juul; Ellen C. Ingolfsland (PLoS ONE, 2026)