Effect of distributing locally produced cloth facemasks on COVID-19-like illness and all-cause mortality-a cluster-randomised controlled trial in urban Guinea-Bissau
在几内亚比绍城市地区开展的一项整群随机对照试验：分发本地生产的布口罩对新冠肺炎样疾病和全因死亡率的影响
期刊:PLOS Global Public Health
影响因子:2.5
doi:10.1371/journal.pgph.0002901
Nanque, Line M; Jensen, Andreas M; Diness, Arthur; Nielsen, Sebastian; Cabral, Carlos; Cawthorne, Dylan; Martins, Justiniano S D; Ca, Elsi J C; Jensen, Kjeld; Martins, Cesario L; Rodrigues, Amabelia; Fisker, Ane B
