Deysher, E., and Holm, G.E.: Determination of Citric Acid, Indust. Engin. Chem. 14: 4, 1942.
2.
Dickens, F.: The Citric Acid Content of Animal Tissues, Biochem. J.35: 1011 (Part II), 1941.
3.
Eisenbrandt, L.L.: Initial Oxidation-Reduction Potentials of Saliva, J. D. Res. 22: 293, 1943.
4.
Gronvall: Acta Oplithalmog . (Suppl.), 1937 (As cited by Dickens).
5.
Kuyper, A.C., and Mattill, H.A.: Some Aspects of Citric Acid Metabolism, J. Biol. Chem. 103: 51, 1933.
6.
McClure, F.J. , and Ruzicka, S.J.: Destructive Action of Citrate Vs. Lactate Ions on Rat Molar Teeth Surfaces in Vivo, J. D. Res. 25: 1, 1946.
7.
östberg, S.K. , and Arch. Physiol.62: 81, 1931 (As cited by Dickens).
8.
Perlman, D.: Larly, H. A., and Johnson, M. J.: Determination of Citric Acid in Fermentation Media and Biological Materials, Indust. & Engin. Chem . 16: 515, 1944.
9.
Pucher, G.W., Sherman, C.C., and Vickery, H.B.: Method to Determine Small Amounts of Citric Acid in Biological Material, J. Biol. Chem. 113: 235, 1936.
10.
Robinson, H.B.G. : Clinic on Differential Diagnosis of Oral Lesions , Am. J. Orthodontics & Oral Surg. 32: 729, 1946.
11.
Schersten, S.K. , and Arch. Physiol. 58: 60, 1924; 74: Suppl. 7, 1936 (As cited by Dickens).
