Abstract
BALFE et al.1 have described a Negro family whose red blood cells had a high sodium concentration. The mean red cell sodium concentration in eight members of the family studied was 14.4 mmol l.−1 of cells, compared with 7.6 mmol l.−1 of cells in controls. Our studies of sodium and potassium concentrations in the blood cells of patients with hypertension have suggested that red cell sodium concentration is frequently greater in Negro than in Caucasian subjects.
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References
Balfe, J. W., Cole, C., Smith, E. K. M., Graham, J. B., and Welt, L. G., J. Clin. Invest., 47, 4a (1968).
Beilin, L. J., Knight, G. J., Munro-Faure, A. D., and Anderson, J., J. Clin. Invest., 45, 1817 (1966).
Beilin, L. J., Knight, G. J., Munro-Faure, A. D., and Anderson, J., J. Gen. Physiol., 50, 61 (1966).
Siegel, S., Nonparametric Statistics (McGraw-Hill, Maidenhead, 1956).
Brewer, G. J., Biochem. Genet., 1, 25 (1967).
Hoffman, J. F., J. Gen. Physiol., 54, 343S (1969).
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MUNRO-FAURE, A., HILL, D. & ANDERSON, J. Ethnic Differences in Human Blood Cell Sodium Concentration. Nature 231, 457–458 (1971). https://doi.org/10.1038/231457a0
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DOI: https://doi.org/10.1038/231457a0
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