PMC:7784787 / 3-124 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":58,"end":66},"obj":"Sentence"},{"id":"T3","span":{"begin":67,"end":71},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ID-19: mask efficacy is dependent on both fabric and fit\n\nAbstract\nAim: Face masks are an important addition to our arsen"}