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Need clear and consistent message about masks.
Hui E, Tan A, Tran A, Kwan J, Gibson C, Tropini G, Vipond J, Pirzada K, Huang C. Hui E, et al. Among authors: tropini g. Can Fam Physician. 2020 Sep;66(9):633-636. Can Fam Physician. 2020. PMID: 32933972 Free PMC article. No abstract available.