Why wear surgical face masks?
Emsley
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St James' Hospital, Leeds Teaching Hospitals NHS Trust.
D003428:Cross Infection / Q000451:nursing* / Q000517:prevention & control; D006801:Humans; D008397:Masks; D024802:Nurse's Role; D012307:Risk Factors; D013530:Surgical Wound Infection / Q000451:nursing / Q000517:prevention & control