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Update Alert: Use of N95, Surgical, or Cloth Masks to Prevent COVID-19 in Health Care and Community Settings: Living Practice Points From the American College of Physicians (Version 1)
Qaseem, Amir, Etxeandia-Ikobaltzeta, Itziar, Yost, Jennifer, Humphrey, Linda L.Journal:
Annals of Internal Medicine
DOI:
10.7326/L20-1268
Date:
October, 2020
File:
PDF, 42 KB
2020