WHO Multicentre Growth Reference Study Group (2006) WHO Child Growth Standards based on length/height, weight and age. Acta Paediatr Suppl 450, 76-85.
WHO (2014) Preterm Birth - Factsheet No. 363.
WHO, Althabe F, Howson CP et al. (2012) Born too soon: the global action report on preterm birth.
Wilson DC, Cairns P, Halliday HL et al. (1997) Randomised controlled trial of an aggressive nutritional regimen in sick very low birthweight infants. Arch Dis Child Fetal Neonatal Ed 77, F4-11.