Cluster randomised controlled trial to examine medical mask use as source control for people with respiratory illness
Crossref DOI link: https://doi.org/10.1136/bmjopen-2016-012330
Published Online: 2016-12-30
Published Print: 2016-12
Update policy: https://doi.org/10.1136/crossmarkpolicy
MacIntyre, Chandini Raina
Zhang, Yi
Chughtai, Abrar Ahmad
Seale, Holly
Zhang, Daitao
Chu, Yanhui
Zhang, Haiyan
Rahman, Bayzidur
Wang, Quanyi