PMC:7784787 / 26-108 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":35,"end":43},"obj":"Sentence"},{"id":"T3","span":{"begin":44,"end":48},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" dependent on both fabric and fit\n\nAbstract\nAim: Face masks are an important addit"}