In last month’s edition (Arch Dis Child Fetal Neonatal Ed) 1999;80, the following were inadvertently published incorrectly: Figure 2 Correlation between malondialdehyde and bilirubin concentrations in group 2. The first author of Body composition of preterm infants during infancy (F188–91) should have been R J Cooke and not D J Rawlings, as published.