Collings, L.H., and Crane, M.P.Internal Medicine in Dental Practice, ed. 6. Philadelphia, Lea & Febiger, 1965, p. 40-44.
2.
Krut, L.H., Perrin, M.J., and Bronte-Stewart,B. Smoking and Food Preferences , Brit. M. J., 1:387-88, 1961.
3.
Dorland, W.A.The American Illustrated Medical Dictionary, ed. 21. Philadelphia, W. B. Saunders Co., 1945, p. 1456.
4.
Taylor, N.B., and Taylor, C.E.Stedman's Medical Dictionary, ed. 18Baltimore, Williams & Wilkins Co., 1953, p. 1357.
5.
Best, C.H., and Taylor, N.B.Physiological Basis of Medical Practice, ed. 4. Williams & Wilkins Co., 1945, p. 1048.
6.
Krut, L.H., Perrin, M.J., and Bronte-Stewart, B.Taste Perception in Smokers and Non-Smokers, Brit. M. J., 1:384-87, 1961.
7.
Kaufman, D.W.The Production and Properties of Salt. New York, Reinhold Publishing Co., 1960, p. 426-28.
8.
Kalmus, H., and Hubbard, S.J.The Chemical Senses in Health and Disease, American Lecture Series No. 394 . Springfield, III., Charles C Thomas Publisher, 1960, p. 12; 25.
9.
Advisory Committee on Smoking and Health.Summary of the Report of the Surgeon General's Advisory Committee on Smoking and Health, USPHS Publication No. 1103-D. Washington, U.S. Government Printing Office, Sept. 1964, p. 1.