Maria Fernanda Galletti 1, Pablo Hernan Brener Dik 1, Silvia Anahi Fernandez Jonusas1, Debora Sabatelli2, Carla Chiesa 3, Silvana Perez4, Mariana Brusadin 5, Larissa Genes 6, Isabel Araya7 and Gonzalo Luis Mariani 1 Early high amino-acid intake is associated with hypophosphatemia in preterm infants. Jan 2022. Journal of Perinatology;