Face masks to prevent transmission of influenza virus: a systematic review
Autor: | COWLING, B. J., ZHOU, Y., IP, D. K. M., LEUNG, G. M., AIELLO, A. E. |
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Zdroj: | Epidemiology and Infection, 2010 Apr 01. 138(4), 449-456. |
Databáze: | JSTOR Journals |
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