PMC:7781502 / 863-1014 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":43,"end":50},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"r one million citizens before 1 July 2020.\nResults\nOverall, we identified 27,815 articles, including 18,225 original contributions, 2,449 reviews, and "}