[Letter: Rare earth elements. I. Use of rare earth elements in studying biosystems].
D002118:Calcium / Q000378:metabolism; D002942:Circular Dichroism; D004735:Energy Transfer; D004798:Enzymes; D004912:Erythrocytes / Q000378:metabolism; D005063:Europium; D005682:Gadolinium; D007202:Indicators and Reagents; D007811:Lanthanum; D009682:Magnetic Resonance Spectroscopy; D008280:Magnetics; D008567:Membranes, Artificial; D008670:Metals; D009119:Muscle Contraction; D009354:Neodymium; D009369:Neoplasms / Q000175:diagnosis; D009905:Optical Rotatory Dispersion; D011221:Praseodymium; D011506:Proteins; D011877:Radionuclide Imaging; D013050:Spectrometry, Fluorescence; D013057:Spectrum Analysis; D013725:Terbium; D014131:Trace Elements; D015018:Ytterbium
D004798:Enzymes; D007202:Indicators and Reagents; D008567:Membranes, Artificial; D008670:Metals; D011506:Proteins; D014131:Trace Elements; D013725:Terbium; D009354:Neodymium; D005063:Europium; D007811:Lanthanum; D005682:Gadolinium; D015018:Ytterbium; D011221:Praseodymium; D002118:Calcium
Redkozemel'nye élementy. I. O nekotorykh vozmozhnostiakh ispol'zovaniia RZE pri izuchenii biosistem