title: [Mechanism of K+ transport in the proximal tubules].
mesh_terms: D000818:Animals; D001001:Anura; D001693:Biological Transport, Active; D066298:In Vitro Techniques; D007687:Kidney Tubules, Proximal / Q000378:metabolism*; D008297:Male; D011188:Potassium / Q000378:metabolism*; D011892:Rana catesbeiana
chemical_list: D011188:Potassium