Assessment of total mercury concentrations in Tilapias (Oreochromis sp.) and Guapotes (Parachromis managüensis) from Tipitapa river. Revista Científica Agua y Conocimiento. 2019;5:35-43. Accessed November 26, 2025. https://revistas.unan.edu.ni/index.php/RevAgua/article/view/3755