Improved plastic well scintillators for beta counting; determination of exchangeable potassium in man using low doses of isotope.
D006801:Humans; D007554:Isotopes; D008297:Male; D010969:Plastics; D011188:Potassium / Q000378:metabolism*; D011874:Radiometry; D012588:Scintillation Counting
D007554:Isotopes; D010969:Plastics; D011188:Potassium
POTASSIUM/metabolism; RADIOMETRY