1. Barnes, LeRoy L.: The deposition of calcium in the hearts and kidneys of rats in relation to age, source of calcium, exercise and diet. Amer. J. Path.18, 41–47 (1941).
2. Battifora, H., Eisenstein, R., Laing, G. H., McGreary, P. N.: The kidney in experimental magnesium deprivation. A morphologic and biochemical study. Amer. J. Path.48, 421–437 (1966).
3. Boothroyd, B.: The problem of demineralisation in thin sections of fully calcified bone. J. Cell Biol.20, 165–173 (1964).
4. Blackberg, S. N., Berke, J. D.: Influence of parathormone on the production of dental caries in rats. J. dent. Res.16, 191–201 (1937).
5. Caulfield, J. B., Schrag, P. E.: Electron microscopic study of renal calcification. Amer. J. Path.44, 365–381 (1964).