Unverified85% confidenceDecision RuleTime unknown
同时有听力下降的耳鸣患者应选择兼具助听功能的耳鸣掩蔽复合器(combination instrument),因为改善听力输入本身能减轻耳鸣感知,单纯掩蔽器反而可能加重环境声隔绝感
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