Marques, Beatriz Riquito, Ana Clara Dinis, Gustavo Rocha, Filipa Flôr-de-Lima, Ana Cristina Matos, Carla Henriques, and Hercília Guimarães. “Morbidity and Mortality in Preterm Infants Less Than 29 Weeks of Gestational Age”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 8, no. 1 (February 17, 2019): e080110. Accessed October 16, 2021. https://jpnim.com/index.php/jpnim/article/view/080110.