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Belting, C.M. , Schour, I., Weinmann , J.P., and Shepro, M.J.: Age Change in the Periodontal Tissues of the Rat's Molar, J. D. Res. , 32:332, 1953.
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Sicher, H., and Weinmann, J.P.: Bone Growth and Physiologic Tooth Movement, Am. J. Orth. Oral Surg., 30:109, 1944.
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Hoffman, M.M. , and Schour, I.: Quantitative Studies in the Development of the Rat Molar. II. Alveolar Bone, Cementum, and Eruption, Am. J. Orth. Oral Surg., 26:854, 1940.
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Shepro, M.J. , Weinmann, J.P., and Schour, I.: Physiologic Atrophy of the Interdental Septum in Rats, J. D. Res., 27:743, 1948.
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Baer,Paul N., and Bernick,SoL: Age Changes in the Periodontium of the Mouse, Oral Surg., Oral Med., Oral Path., 10:43, 1957.
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Mitchell,David F.: Introductory Observations of the Periodontium of the Syrian Hamster , J. D. Res., 27:330, 1948.
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King, J.D.: Histological Observations on Periodontal Disease in the Golden Hamster (Cricetus auratus), J. Path. Bact., 61 :413, 1949.
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Rushton, M.A. : The Epithelial Downgrowth on the Molar Roots of Golden Hamsters, Brit. D. J., 90:87, 1951.
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Pedreira, R.A. : Study of the Keratinization of the Oral Mucosa of Aged Males, J. D. Med., 6:88,1951.
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Stone, A.: Keratinization of the Human Oral Mucosa in Aged Males, J. D. Med., 8:69, 1953.
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Papic, M., and Glichman, I.: Keratinization of the Human Gingiva in the Menstrual Cycle and Menopause, Oral Surg., Oral Med., Oral Path., 3:505, 1950.
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Montgomery, P.W.: A Study of Exfoliative Cytology of Normal Human Oral Mucosa, J. D. Res., 30:13, 1951.
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Wentz, F.M. , Maier, A.W., and Orban, B.: Age Changes and Sex Differences in the Clinically "Normal" Gingiva, J. Periodont. , 23:13, 1952.
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Meyer, J., Marwah, A.S., and Weinmann, J.P.: Mitotic Rate of Gingival Epithelium in Two Age Groups, J. Invest. Dermatol., 27:237, 1956.
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Richman, M.J. , and Abarbanel, A.R.: Effects of Estradiol, Testosterone, and Diethylstilbesterol and Several of Their Derivatives upon the Human Mucous Membrane, J.A.D.A., 30:913, 1943.
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Goldman, H.M. : Geriatric Changes in the Oral Mucosa, J. D. Med., 9:86, 1954.