Zipkin, I.The Ultraviolet Absorption Spectrum of Human Parotid Saliva, Preprinted Abstracts, p. 105. Intl. Assoc. Dent. Res., 1957.
2.
Zipkin, I., Hawkins, G.R., and Mazzarella, T.M.The Tyrosine, Tryptophan and Protein Content of Human Parotid Saliva in Oral and Systemic Disease. Use of Ultraviolet Absorption Technics, Arch. oral Biol., 1962 (in press).
3.
Keilin, D., and Hartree, E.F.Uricase, Amino Acid Oxidase, and Xanthine Oxidase, Proc. roy. Soc. London, B, 119:114-40, 1936.
4.
Liddle, L., Seegmiller, J.E., and Laster, L.The Enzymatic Spectrophotometric Method for Determination of Uric Acid, J. Lab. clin. Med., 54:903-13, 1959.
5.
Warburg, O., and Christian, W.Isolierung und Kristallization des Garungs-Ferments Enolase, Biochem. Z., 310:384-421,1942.
6.
Kalckar, H.M.Differential Spectrophotometry of Purine Compounds by Means of Specific Enzymes. III. Studies of the Enzymes of Purine Metabolism , J. biol. Chem., 167:461-75, 1947.
7.
Lowry, O.H., Rosebrough, N.J., Farr, A.L., and Randall, R.J.Protein Measurement with the Folin Phenol Reagent, J. biol. Chem., 193 :265-75, 1951.
8.
Sorensen, L.B.Degradation of Uric Acid in Man, Metabolism, 8:687-703, 1959.
9.
Graham, C.E. , Smith, E.P., Hier , S.W., and Klein, D.J.An Improved Method for the Determination of Tryptophan with p-Dimethyl-amino-benzaldehyde , J. biol. Chem., 168:711-16, 1947.
10.
Weil, P.Amino Acid Chromatograms of Parotid Saliva and of Buccal Liquid, Riv . ital. Stom., 12:63-70,1957.
11.
Rose, G.A., and Kerr, A.C.The Amino Acids and Phosphoethanolamine in Salivary Gland Secretions of Normal Men and of Patients with Abnormal Calcium, Phosphorus and Amino Acid Metabolism, Quart. J. exp. Physiol., 43:160-68, 1958.
12.
Battistone, G.C., and Burnett, G.W.The Free Amino Acid Composition of Human Saliva, Arch. oral Biol., 3:161-70, 1961.