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Francis A. J. Ianni, Robert M. Albrecht, Walter E. Boek, Adele K. Polan, Age, Social, and Demographic Factors in Acceptance of Polio Vaccination, Public Health Reports (1896-1970), Vol. 75, No. 6 (Jun., 1960), pp. 545-556
Ianni et al. (Fri,) studied this question.
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