Where is the evidence that masks work?

回答: 3龍鳳呈翔2020-11-16 08:39:12

所有跟帖: 

3 -龍鳳呈翔- 給 龍鳳呈翔 發送悄悄話 (0 bytes) () 11/16/2020 postreply 09:02:20

所以,不要太緊張。 -小團圓- 給 小團圓 發送悄悄話 (0 bytes) () 11/16/2020 postreply 09:18:44

Plenty of evidence, but only in science. If you believe in scien -skyapril- 給 skyapril 發送悄悄話 (61 bytes) () 11/17/2020 postreply 06:36:19

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