A Timely Administration of Antenatal Steroids Is Highly Protective Against Intraventricular Hemorrhage: An Observational Multicenter Cohort Study of Very Low Birth Weight Infants oleh Ingmar Fortmann, Ingmar Fortmann, Luisa Mertens, Hannah Boeckel, Berthold Grüttner, Alexander Humberg, Mariana Astiz, Claudia Roll, Isabell Rickleffs, Achim Rody, Christoph Härtel, Egbert Herting, Wolfgang Göpel, Verena Bossung