LUNA, C. F.; ALARCÓN, J.; REY, H. Model of care for low birth weight newborns by levels according to risk factors. Colombia Medica, [S. l.], v. 25, n. 3, p. 100–105, 1994. DOI: 10.25100/cm.v25i3.6513. Disponível em: http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6513. Acesso em: 7 dec. 2025.