Nutrition in infants under 6 months. Socioeconomic and cultural factors that influence it. Revista Universidad de Guayaquil, [S. l.], v. 73, n. 3, p. 23–36, 1988. DOI: 10.53591/rug.v73i3.1101. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/774. Acesso em: 5 dec. 2025.