“Role of ATPase Activated by Mg ++ in the Na + and K + Dependent ATPase Enzyme System of the Rat Small Intestine”. Revista Española de Fisiología 25, no. 4 (December 1, 1969): 257–266. Accessed July 8, 2025. https://revistas.unav.edu/index.php/ref/article/view/49146.