Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Franz, A R; Maier, R F; Thome, U H; et al; Bucher, H U (2012). The 'Effects of Transfusion Thresholds on Neurocognitive Outcome of Extremely Low Birth-Weight Infants (ETTNO)' Study: Background, aims, and study protocol. Neonatology, 101(4):301-305.