Modulation by ammonium ions of gill microsomal ('Na POT.+','K POT.+)-ATPase in the swimming crab Callinectes danae: a possible mechanism for regulation of ammonia excretion - Masui, Douglas Chodi; Furriel, Rosa dos Prazeres Melo; McNamara, John Campbell; Mantelatto, Fernando Luis Medina; Leone, Francisco de Assis (Comparative Biochemistry and Physiology, Parte C, 2002)