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Marvin Belkin, Edward A. Suchman, Moe Bergman, Daniel Rosenblatt, Harold Jacobziner, Evaluation of Hearing Testing Program in New York City Elementary Schools, Public Health Reports (1896-1970), Vol. 78, No. 8 (Aug., 1963), pp. 681-688
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Belkin et al. (1963) studied this question.
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