Fanos, V.; Corbu, S.; Laconi, A.; Pintus, R.; Dessì, A.; Ledda, G.; Puddu, M.; Cesare Marincola, F. Exploring the Effect of Vitamin D and DHA Supplementation on the Urine Metabolome of Preterm Infants by 1H NMR-Based Metabolomics. J Pediatr Neonat Individual Med 2019, 8, e080225.