Natascha Köstlin-Gille ,1 Lina Maria Serna-Higuita,2 Caren Bubser,1 Joerg Arand,1 Laura Haag,1 Christoph E Schwarz ,3 Martin Heideking,1 Christian F Poets ,1 Christian Gille1 To cite: Köstlin-Gille N, Serna-Higuita LM, Bubser C, et al Early initiation of antibiotic therapy and short-term outcomes in preterm infants: a single-centre retrospective cohort analysis. Apr 2023. Arch Dis Child Fetal Neonatal