Use of surgical face masks to reduce the incidence of the common cold among health care workers in Japan: A randomized controlled trial
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2009 ◽
Vol 37
(5)
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pp. 417-419
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2013 ◽
Vol 55
(10)
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pp. 1186-1190
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2015 ◽
Vol 43
(11)
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pp. 1246-1248
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2001 ◽
Vol 32
(3)
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pp. 199-214
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2001 ◽
Vol 23
(4)
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pp. 346-348
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