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Fausti SA, Erickson DA, Frey RH, Rappaport BZ.Fausti SA, et al. Among authors: frey rh.Scand Audiol. 1981;10(1):21-9. doi: 10.3109/01050398109076158.Scand Audiol. 1981.PMID: 7209369
Erickson DA, Fausti SA, Frey RH, Rappaport BZ.Erickson DA, et al. Among authors: frey rh.Am Ind Hyg Assoc J. 1980 Jun;41(6):427-32. doi: 10.1080/15298668091424979.Am Ind Hyg Assoc J. 1980.PMID: 7395756