Impact of early antibiotic exposure on the risk of colonization with potential pathogens in very preterm infants: a retrospective cohort analysis. - Bubser, Caren; Liese, Jan; Serna-Higuita, Lina Maria; Müller, Andreas; Vochem, Matthias; Arand, Jörg; Karck, Ulrich; Gross, Maximilian; Poets, Christian F.; Härtel, Christoph; Zemlin, Michael; Gille, Christian; et al. (Antimicrobial Resistance & Infection Control, 2022)