Feeding of preterm infants and fortification of breast milk. La Pediatria Medica e Chirurgica, [S. l.], v. 39, n. 2, 2017. DOI: 10.4081/pmc.2017.158. Disponível em: https://www.pediatrmedchir.org/pmc/article/view/158. Acesso em: 18 aug. 2025.