Mask-wearing and respiratory infection in healthcare workers in Beijing, China.
Yang P, Seale H, MacIntyre CR, Zhang H, Zhang Z, Zhang Y, Wang X, Li X, Pang X, Wang Q.
Yang P, et al. Among authors: zhang z, zhang h, zhang y.
Braz J Infect Dis. 2011 Mar-Apr;15(2):102-8. doi: 10.1016/S1413-8670(11)70153-2.
Braz J Infect Dis. 2011.
PMID: 21503394
Free PMC article.