Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Obladen, M; Metze, B; Henrich, W; Aktas, A; Czernik, C; Schulz-Baldes, A (2008). Interdisciplinary surveillance of intraventricular haemorrhage associated conditions in infants <1000 g. Acta Paediatrica, 97(6):731-737.