Hastings, A.B. , McLean, F.C., Eichelberger , L.H., Lowell, J., and Da Costa, E.The Ionization of Calcium, Magnesium, and Strontium Cit ates, J. biol. Chem. , 107 :351-70, 1934.
2.
Neuman, W.F., and Neuman, M.W.The Chemical Dynamics of Bone Mineral, pp. 15-18. University of Chicago Press, 1958.
3.
Rose, G.A.Determination of the Ionized and Ultrafilterable Calcium of Normal Human Plasma , Clin. chem. Acta, 2:227-36, 1957.
4.
Sager, R.H., and Spargo, B.The Effects of a Low Phosphorus Ration on Calcium Metabolism in the Rat with the Production of Calcium Citrate Urinary Calculi, Metabolism , 4:519-30, 1955.
5.
Sherman, C.C. , Mendel, L.B., and Smith, A.H.The Citric Acid Formed in Animal Metabolism , J. biol. Chem., 113:247-63, 1936.
6.
-. The Metabolism of Orally Administered Citric Acid, ibid., pp. 265-71.
7.
Smith, A.H., and Meyer, E.The Influence of Diet on the Endogenous Production of Citric Acid , J. biol. Chem., 131 :45-55, 1939.
8.
Class, R.N., and Smith, H.The Skeleton as a Source of Endogenous Citric Acid, J. biol. Chem., 151:363-68, 1943.
9.
Evans, B.M., Magintyre, I., Macpherson, C.R., and Milne, M.D.Alkalosis in Sodium and Potassium Depletion (with Special Reference to Organic Acid Excretion), Clin. Sci., 16:53-65, 1957.
10.
Clark, E., Evans, B.M., MacIntyre, I., and Milne, M.D.Acidosis in Experimental Electrolyte Depletion, Clin. Sci. , 14:421-40, 1955.
11.
Jones, J.H. , and Foster, C.A Salt Mixture for Use with Basal Diets Either Low or High in Phosphorus, J. Nutrition, 24:245-56, 1942.
12.
Natelson, S.Routine Use of Ultramicro Methods in the Clinical Laboratory, Amer. J. clin. Path., 21 :1153-60, 1951.
13.
Kingsley, G.R. , and Robnett, O.New Dye Method for Direct Photometric Determination of Calcium. Amer. J. clin. Path., 27:223-30, 1957.
14.
--. Further Studies on a New Dye Method for the Direct Photometric Determination of Calcium, ibid., 29:171-75, 1958.
15.
Seligson, D.An Automatic Pipetting Device and Its Application in the Clinical Laboratory, Amer. J. clin. Path., 28:200-207, 1957.
16.
Toribara, T.Y. , Terepka, A.R., and Dewey, P.A.The Ultrafilterable Calcium of Human Serum , J. clin. Invest., 36:738-48, 1957.
17.
Raaflaub, J.Applications of Metal Buffers and Metal Indicators in Biochemistry, Meth. biochem. Anal., 3:301-28, 1956.
18.
Lowry, O.H. , and Bessy, O.A.The Adaptation of the Beckman Spectrophotometer to Measurements on Minute Quantities of Biological Materials , J. biol. Chem., 163:633-39, 1946.
19.
Levy, M.Beitrage zur enzymatischen Histochemie. XVII. Mikromethode zur Bestimmung von Stickstoff, Hoppe-Seylers Z. physiol. Chem., 240:33-39, 1936.
20.
Carlsson, A. , and Hollunger, G.The Effect of Vitamin D on the Citric Acid Metabolism, Acta physiol. scand., 31 :317-33, 1954.
21.
Ettinger, R.H. , Goldbaum, L.R., and Smith, L.H.A Simplified Method for the Determination of Citric Acid in Biological Fluids, J. biol. Chem., 199:531-36, 1952.
22.
Weichselbaum, T.E.An Accurate and Rapid Method for the Determination of Proteins in Small Amounts of Blood Serum and Plasma, Amer. J. clin. Path., Vol. 16, Tech. Suppl. No. 10, p. 40, 1946.
23.
McLean, F.C., and Hastings , A.B.The State of Calcium in the Fluids of the Body, J. biol. Chem. , 108:285-322, 1935.
24.
Neuman, W.F., and Neuman, M.W.The Chemical Dynamics of Bone Mineral, pp. 11-12. Chicago : University of Chicago Press, 1958.
25.
Neuman, W.F. , Morrow, P.E., Toribara, T.Y., Casarett, L.J., Mulryan, B.J., and Hodge, H.C.Evidence for Complex Ion Formation in the Calcium Bicarbonate System, J. biol. Chem., 219:551-55, 1956.
26.
Saffran, M., and Denstedt, O.F.The Effect of Intravenously Injected Citrate on the Serum Ionized Calcium in the Rabbit, Canad. J. med. Sci., 29:245-54, 1951.
27.
Herndon, R.F. , and Freeman, S.Renal Citric Acid Utilization in the Dog, Amer. J. Physiol., 192:369-72, 1958.
28.
Dixon, T.F., and Perkins, H.R. "Citric Acid and Bone" in G. H. Bourne (ed.), The Biochemistry and Physiology of Bone, p. 309. New York : Academic Press, 1956.
West, E.S., and Todd, W.R.Textbook of Biochemistry, p. 652. New York: Macmillan Co., 1951.
31.
Thompson, D.D.Renal Excretion of Calcium and Phosphorus, Arch. intern. Med., 103:832-38, 1959.
32.
Epstein, F.H.Calcium and the Kidney, J. chron. Dis., 11:255-77, 1960.
33.
Crawford, M.A. , Loughridge, L., Milne , M.D., and Scribner , B.H.Organic Acid Excretion after Calcium Gluconate Infusions, J. clin. Path. , 12:524-29, 1959.
34.
Melius, P., and Lipton, M.A.Organic Acid Excretion in Experimental Alkalosis, Fed. Proc. , 16:221-27, 1957.
35.
Milne, M.D. , Scribner, B.H., and Crawford , M.A.Non-ionic Diffusion and the Excretion of Weak Acids and Bases, Amer. J. Med., 24:709-29, 1958.
36.
Kuyper, A.C. , and Mattill, H.A.Some Aspects of Citric Acid Metabolism , J. biol. Chem., 103:51-60,1933.
37.
Farquharson, R.F., Salter, W.T., and Aub , J.C.Studies of Calcium and Phosphorus Metabolism. XIII. The Effect of Ingestion of Phosphates on the Excretion of Calcium, J. clin. Invest., 10:251-69, 1931.