Alsayed Ali H, Alturk MR, Abumhara S, Alkhzzam F. Comparative efficacy of low-dose versus high-dose inhaled nitric oxide in extreme preterm infants with hypoxic respiratory failure: A retrospective cohort study. Acta Biomed. 2025;96(6):17006. doi:10.23750/abm.v96i6.17006