title: Double dependence of organic acid active transport in proximal tubules of surviving frog kidney on sodium ions. I. Influence of sodium ions in bath medium on the uptake and run out of fluorescein and uranin.
mesh_terms: D000818:Animals; D001001:Anura; D001693:Biological Transport, Active; D004305:Dose-Response Relationship, Drug; D005452:Fluoresceins / Q000378:metabolism*; D007687:Kidney Tubules, Proximal / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D008297:Male; D008433:Mathematics; D011896:Rana temporaria; D012964:Sodium / Q000494:pharmacology*
chemical_list: D005452:Fluoresceins; D012964:Sodium