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Updated: Jun 24, 2026

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场外除器械的有效性:一项随机试验

William E Kamm1, McKenzie M Tolan2, Catherine L Kennedy2

  • 1School of Medicine University of Minnesota Minneapolis Minnesota USA.

Laryngoscope investigative otolaryngology
|November 20, 2025
PubMed
概括

非处方药 (OTC) 耳去除设备对于减少耳负担是不有效的,并且不胜过棉巾. 目前的证据并不支持这些设备的常规使用.

关键词:
陶 (cerumen) 陶 (cerumen) 是一种用于制造陶的材料.清除膜的使用方法棉花棒是用棉花棒做成的耳朵上的是耳朵的.无处不在的柜台设备.

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相关概念视频

Randomized Experiments01:13

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...