PMC:7784787 / 35-144 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":26,"end":34},"obj":"Sentence"},{"id":"T3","span":{"begin":35,"end":39},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"t on both fabric and fit\n\nAbstract\nAim: Face masks are an important addition to our arsenal in the fight agai"}