The Effect of Certain Lubricating Agents and Coarse Foods Upon the Cornification of the Oral Mucosa of the White Rat

Butcher, E.O. : Personal communication

Edmunds, C.W. , and Gunn, J.A. : Cushney's Textbook of Pharmacology and Therapeutics, Philadelphia, 1940, Lea & Febiger, p. 266.

Orban, B. : Hornification of the Gums, J. A. D. A. 17: 1977-1993, 1930.

O'Rourke, J.F. : The Relation of the Physical Character of the Diet to the Health of the Periodontal Tissues, Am. J. Orthodontia and Oral Surgery 33: 689-697, 1947.