Marques, B. R., A. C. Dinis, G. Rocha, F. Flôr-de-Lima, A. C. Matos, C. Henriques, and H. Guimarães. “Morbidity and Mortality in Preterm Infants Less Than 29 Weeks of Gestational Age”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM), vol. 8, no. 1, Feb. 2019, p. e080110, doi:10.7363/080110.