PMC:7781500 / 6778-6814 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T69","span":{"begin":0,"end":8},"obj":"Sentence"},{"id":"T70","span":{"begin":9,"end":16},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"     Yes\n     No\nUse of PPE by healt"}