title: [Total exchangeable K].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011188:Potassium / Q000378:metabolism*; D011197:Potassium Radioisotopes
chemical_list: D011197:Potassium Radioisotopes; D011188:Potassium