Regulation by the exogenous polyamine spermidine of Na,K-ATPase activity from the gills of the euryhaline swimming crab Callinectes danae (Brachyura, Portunidae). - Silva EC; Masui DC; Furriel RP; Mantelatto FL; McNamara JC; Barrabin H; Leone FA; Scofano HM; Fontes CF (Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology, 2008)