Apical 'NA POT.+' And 'K POT.+' Control the osmotic water permeability in non-stimulated and in oxytocin-stimulated amphibian skin: amiloride, 'BA POT.2+', and 'CA POT.2+' blockable effect - Bevevino, L H; Sanioto, Sonia M. L. (Reuniao Anual da Federacao de Sociedades de Biologia Experimental, 1996)