PMC:7784787 / 80-245 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"4","span":{"begin":68,"end":76},"obj":"Disease"}],"attributes":[{"id":"A4","pred":"tao:has_database_id","subj":"4","obj":"MESH:C000657245"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"masks are an important addition to our arsenal in the fight against COVID-19. The aim of this study is to present a novel method of measuring mask performance which "}