X-ray spectroscopy in the clinical laboratory. I. Calcium and potassium.
D002118:Calcium / Q000737:chemistry*; D006801:Humans; D011188:Potassium / Q000737:chemistry*; D013057:Spectrum Analysis; D014965:X-Rays
D011188:Potassium; D002118:Calcium
CALCIUM/chemistry; POTASSIUM/chemistry; SPECTRUM ANALYSIS