Don P. Haefner, S. Stephen Kegeles, John Kirscht, Irwin M. Rosenstock, Preventive Actions in Dental Disease, Tuberculosis, and Cancer, Public Health Reports (1896-1970), Vol. 82, No. 5 (May, 1967), pp. 451-459
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Haefner et al. (1967) studied this question.
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