title: Design of a shadow shield counter for the measurement of total body potassium.
mesh_terms: D001823:Body Composition; D006801:Humans; D009752:Nutritional Status; D011197:Potassium Radioisotopes; D011506:Proteins / Q000378:metabolism; D011835:Radiation Protection / Q000295:instrumentation*; D014915:Whole-Body Counting / Q000295:instrumentation*
chemical_list: D011197:Potassium Radioisotopes; D011506:Proteins