Regulation by the exogenous polyamine spermidine of Na, K-ATPase activity from the gills of the euryhaline swimming crab Callinectes danae (Brachyura, Portunidae) - Silva, E. C. C; Masui, D. C.; Furriel, R. P. M.; Mantelatto, Fernando Luis Medina; McNamara, John Campbell; Barrabin, H.; Leone, Francisco de Assis; Scofano, H. M.; Fontes, C. F. L. (Comparative Biochemistry and Physiology, Part B, 2008)