Universal Masking in the Covid-19 Era.
作者信息
Klompas Michael, Morris Charles A, Shenoy Erica S
机构信息
Harvard Medical School, Boston, MA.
Brigham and Women's Hospital, Boston, MA.
出版信息
N Engl J Med. 2020 Jul 9;383(2):e9. doi: 10.1056/NEJMc2020836. Epub 2020 Jun 3.
PMID:32492295
Abstract
摘要
Zotero 插件