JAMA: Dont panic! There is no difference bet..

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JAMA: Don't panic! There is no difference between ordinary medical masks and N95 mask! The largest clinical trial so far has confirmed that there is no difference in the effectiveness of two common masks in preventing viral respiratory infectious diseases. | #3

JAMA: Don't panic! There is no difference between ordinary medical masks and N95 mask! The largest clinical trial s

Originally published as JAMA: Don't panic! There is no difference between ordinary medical masks and N95 mask!

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2 yrs - Translate

JAMA: Don't panic! There is no difference between ordinary medical masks and N95 mask! The largest clinical trial s

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