to both ears

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ThesaurusAntonymsRelated WordsSynonymsLegend: both ears - in a binaural mannerto both ears - in a binaural manner; "the stimulus was presented binaurally"
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References in periodicals archive ?
Some of these patients developed bilateral toxicity when the drops were applied injudiciously to both ears. To illu strate the seriousness of topical gentamicin toxicity, nine of our patients developed oscillopsia and/or ataxia, and seven of them never returned to work.