Surgical mask versus N95 respirator for preventing influenza among health care workers: a randomized trial
Publisher: Cambridge University Press
E-ISSN: 1481-8035|14|1|50-52
ISSN: 1481-8035
Source: Canadian Journal of Emergency Medicine, Vol.14, Iss.1, 2012-01, pp. : 50-52
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.