title: [Determination of the activity of K ions in blood plasma].
mesh_terms: D004566:Electrodes; D006801:Humans; D007478:Iontophoresis / Q000295:instrumentation; D011188:Potassium / Q000097:blood*
chemical_list: D011188:Potassium
vernacular_title: Opredelenie aktivnosti ionov v plazme krovi