Pucher, C.W. , Sherman, C.C., and Vickery, H.B.: A Method to Determine Small Amounts of Citric Acid in Biological Material, J. Biol. Chem. 113: 235, 1936.
2.
Kuyper, A.C. , and Mattill, H.A.: Some Aspects of Citric Acid Metabolism , J. Biol. Chem. 103: 51, 1933.
3.
Leake, C.D.: The Occurrence of Citric Acid in Sweat, Am. J. Physiol.63: 540, 1922-23.
4.
Zipkin, I.: Citric Acid in Saliva, Science106: 343, 1947 .
5.
Shulman, E.H. , and Robinson, H.B.G.: Salivary Citrate Content in Patients With and Without Erosion, J. D. Res. 26: 452, 1947.
6.
Duysher, E.F. , and Holm, G.E.: Determination of Citric Acid, Indust. & Engin. Chem. (Anal. Ed.)14: 4, 1942.
7.
Krebs, H.A., and Eggleston, L.V.: Micro-determination of Isocitric and Cis-aconitic Acids in Biological Material, Biochem. J. 38: 426, 1944.
8.
Perlman, D., Lardy, H.A., and Johnson, M.J.: Determination of Citric Acid in Fermentation Media and Biological Materials , Indust. & Engin. Chem. (Anal. Ed.)16: 515, 1944.
9.
Shulman, E.H. , and Robinson, H.B.G.: Salivary Citrate Content and Erosion of the Teeth, J. D. Res. 27: 541, 1948.
10.
Natelson, S. , Lugovoy, J.K., and Pincus, J.B.: Determination of Micro Quantities of Citric Acid in Biological Fluids, J. Biol. Chem. 170: 597, 1947 .
11.
Speck, J.F. , Moulder, J.W., and Evans, E.A., Jr.: The Biochemistry of the Malaria Parasite. V. Mechanism of Pyruvate Oxidation in the Malaria Parasite, J. Biol. Chem. 164: 119, 1946.
12.
McClure, F.J. , and Ruzicka, S.J.: The Destructive Effect of Citrate vs. Lactate Ions on Rats' Molar Tooth Surfaces, in Vivo, J. D. Res. 25: 1, 1946.
13.
Dickens, W.A. : The Citric Acid Content of Animal Tissues with Reference to Its Occurrence in Bone and Tumors, Biochem. J. 33: 1047, 1939.
14.
Johnson, W.A. : Aconitase, Biochem. J. 33: 1046, 1939.
15.
Hunter, F.E. , and Leloir, L.F.: Citric Acid Formation from Acetoacetic Acid and Oxalacetic Acid, J. Biol. Chem. 159: 295, 1945 .
16.
Josephson, B. , and Forssberg, U.: A Modification of the Pucher-Sherman-Vickery Method for the Determination of Citric Acid. J. Lab. & Clin. Med. 27: 267, 1941.
17.
Weissberger, A., and Proskauer, E.: Organic Solvents, London, 1935, Oxford University Press, p. 139.
18.
Black, G.V.: A Work on Operative Dentistry, ed. 7., Vol. I. The Pathology of the Hard Tissues of the Teeth , Chicago, 1936, Medico-Dental Publishing Co.
19.
Thoma, K.H.: Oral Pathology, St. Louis, 1944, The C. V. Mosby Co.
20.
Miller, S.C., and Newman, A.T.: Oral Diagnosis and Treatment Planning, ed. 2, Philadelphia, 1946, The Blakiston Company .
21.
Darby, E.T.: Dental Erosion and the Gouty Diathesis, Are They Associated? D. Cosmos34: 629, 1892.
22.
Kirk, E.C.: The Clinical and Chemical Study of a Case of Dental Erosion, Items of Interest24: 511, 1902.
23.
Miller, W.D.: Experiments and Observations on the Wasting of Tooth Tissue Variously Designated as Erosion, Abrasion, Chemical Abrasion, Denudation, etc, D. Cosmos49: 1, 225, 1907.
24.
Miller, W.D.: Further Investigations on the Subject of Wasting, D. Cosmos49: 677, 1907.
Badanes, B.B. : The Sources and Clinical Manifestations of the Oxalates as Related to Dental Caries and Erosion, D. Cosmos72: 477, 1930.
27.
Bödecker, C.H. : Dental Erosion, D. Cosmos75: 1056, 1933.
28.
Robinson, H.B.G. : A Clinic on the Differential Diagnosis of Oral Lesions, Am. J. Orthodont. & Oral Surg. 32: 729, 1946.
29.
Stafne, E.C. : The Effect of Therapeutic Doses of Dilute Hydrochloric Acid on the Teeth, Proc. Staff Meet., Mayo Clin. 8: 157, 1933.
30.
Bargen, J.H. , and Austin, L.F.: Decalcification of Teeth as a Result of Obstipation with Long Continued Vomiting, J. A. D. A. 24: 1271, 1937.
31.
Lovestedt, S.A.: Decalcification of the Crowns of Teeth in Situ, Am. J. Orthodont. & Oral Surg. 30: 52, 1944.
32.
Lynch, J.B. , and Bell, J.: Dental Erosion by Workers Exposed to Inorganic Acid Fumes, Brit. J. Indust. Med. 4: 84, 1947.
33.
Stafne, E.C. , and Lovestedt, S.A.: Dissolution of Tooth Substance by Lemon Juice, Acid Beverages and Acids From Some Other Sources, J. A. D. A. 34: 586, 1947.
34.
McClure, F.J. : The Destructive Action in Vivo of Dilute Acids and Acid Drinks and Beverages on the Rats' Molar Teeth, J. Nutrition26: 251, 1943.
35.
Restarski, J.S., Gortner, R.A., Jr., and McCay , C.M.: Effect of Acid Beverages Containing Fluorides upon the Teeth of Rats and Puppies, J. A. D. A. 32: 668, 1945.
36.
Gortner, R.A. , Jr., Restarski, J.S., Bieri, J.G., and McCay , C.M.: Factors Influencing the Destructive Effects of Acidic Beverages on the Teeth of White Rats and Hamsters, Arch. Biochem. 8: 405, 1945.
37.
Bieri, J.G. , McCay, C.M., Restarski, J.S., and Gortner, R.A., Jr.: Further Studies on In Vivo Decalcification by Acid Beverages, Arch. Biochem. 11: 33, 1946.
38.
Restarski, J.S., Gortner, R.A., Jr., and McCay , C.M.: A Method for Measuring the Effects of Acid Beverages on the Teeth of Small Laboratory Animals, Science102: 404, 1945.
39.
Fisher, R.A.: Statistical Methods for Research Workers, ed. 10, London, 1948, Oliver & Boyd.
40.
Kitchin, P.C. : The Prevalence of Toothbrush Exposure and the Relation of the Extent of Such Exposure to the Degree of Abrasion in Different Age Classes, J. D. Res. 20: 565, 1941.
41.
Souder, W., and Schoonover, I.C. : Abrasion and Solution of Teeth. A Sensitive, Visual Method for Detecting These Injuries, J. A. D. A. 30: 1725, 1943.
42.
Endleman, J.: Special Dental Pathology, St. Louis, 1927, The C. V. Mosby Co.