Early versus late parenteral nutrition in critically ill, term neonates: a preplanned secondary subgroup analysis of the PEPaNIC multicentre, randomised controlled trial - van Puffelen, E; Vanhorebeek, I; Joosten, K FM; Wouters, P J; Van den Berghe, G; Verbruggen, S CAT (Lancet Child Adolesc Health, 2018)