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Atkinson, H.F. , and Prophet, A.S. : The Action of Collagenase on Carious Dentine, Brit. D. J. 94: 278, 1953.
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Konetzka, W.A. , Burnett, G.W., and Pelczar, M.J.: Bacterial Hydrolysis of Decalcified Dentine, Brit. D. J. 100: 156, 1956.
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Armstrong, W.G. : Modification of the Organic Matrix of Sound Dentin to Collagenase-Resistant Forms, J. D. Res. 37: 1016, 1958.
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Manly, R.S., and Hodge, C.H.: Density and Refractive Index Studies on Dental Hard Tissues. Methods of Separation and Determination of Purity, J. D. Res. 18: 133, 1939.
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Yemm, E.W., and Cocking, E.C.: The Determination of Amino-Acids With Ninhydrin, Analyst80: 209, 1955.
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Tristram, G.R.: In The Proteins, editors, Neurath, H., and Bailey, K., New York, 1953, Academic Press, Vol. 1A, Ch. 3, p. 186.
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Markham, R.: A Steam Distillation Apparatus Suitable for Micro-Kjeldahl Analysis, Biochem J. 36: 790, 1942.
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Bidwell, E. , and van Heyningen , W.E.: The Biochemistry of Gas Gangrene Toxins. 5. The K Toxin (Collagenase of Clostridium Welchii), Biochem. J. 42: 140, 1948.
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Oakley, C.L. , Warrack, G.H., and van Heyningen , W.E.: The Collagenase (K Toxin) of Cl. Welchii Type A, J. Path. & Bact. 58: 229, 1946.
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Bidwell, E. : Proteolytic Enzymes of Clostridium Welchii, Biochem. J. 46: 589, 1950.
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Oakley, C.L. , and Warrack, G.H.: The Alpha, Beta and Gamma Antigens of Cl. Histolyticum, J. Gen. Microbiol. 4: 365, 1950.