[Radioisotope methods of examination of body fluids. 3. Determination of the total exchangeable sodium and potassium by 24Na and 42K].
[Role of the sodium-magnesium-potassium sulfate-chloride mineral waters of the Morshin health resort in the treatment of patients with chronic hepatitis (according to the results of clinico-biochemical, radioisotope, rheovasographic and immunologic studies)].