The Determination of cadmium levels in corn grains (Zea mays L.) from the Ecuadorian coast and mountains. Revista Científica Ciencias Naturales y Ambientales, [S. l.], v. 12, n. 2, 2018. DOI: 10.53591/cna.v12i2.285. Disponível em: https://revistas.ug.edu.ec/index.php/cna/article/view/1649. Acesso em: 21 apr. 2026.