[Cotransport of sodium, HC03- and H+].
D000818:Animals; D001001:Anura; D001639:Bicarbonates / Q000378:metabolism*; D001693:Biological Transport, Active; D006859:Hydrogen / Q000378:metabolism*; D007687:Kidney Tubules, Proximal / Q000502:physiology*; D008564:Membrane Potentials; D012964:Sodium / Q000378:metabolism*
D001639:Bicarbonates; D006859:Hydrogen; D012964:Sodium