鋅-2-胺
2020-1-3 00:35:08
suppose fit test應該直情係搵電腦等儀器配合做
但總覺得好過唔戴
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健三
2020-1-3 00:46:44
推呀
㪐㩿
2020-1-3 01:27:14
出面有無1860s 賣
8210 可替代？
芝天汀丸
2020-1-3 01:28:55
Push
血染東方一片紅
2020-1-3 02:23:54
咁我唔係信支那01，只係佢有引用期刊，我睇落都覺得OK咪分享下。
份期刊impact factor 51.3，我覺得值得一睇既。 https://jamanetwork.com/journals/jama/article-abstract/2749214
N95 Respirators vs Medical Masks for Preventing Influenza Among Health Care Personnel
Conclusions and Relevance Among outpatient health care personnel, N95 respirators vs medical masks as worn by participants in this trial resulted in no significant difference in the incidence of laboratory-confirmed influenza.
但總覺得好過唔戴