How to Wash Your Hands Properly
1:26
Hand-washing Steps Using the WHO Technique
YouTubeJohns Hopkins Medicine
已浏览 466.5万 次2019年3月26日
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Hand Hygiene Tips and Tricks
Proper Hand Hygiene with Dr. Diana Chen | UCLA Health
YouTube2017年10月12日
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Importance of Handwashing for Health
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YouTubeRush University System for Health
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Proper Surgical Hand Rub
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YouTubeJohns Hopkins Medicine
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