PMC:7696151 / 5155-5320 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T42","span":{"begin":6,"end":10},"obj":"Sentence"},{"id":"T43","span":{"begin":11,"end":25},"obj":"Sentence"},{"id":"T44","span":{"begin":26,"end":126},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ions\n\n2.1. Study Analysis\nThe initial survey of the literature identified 2756 reports (2066 from Scopus and 690 from PubMed). Then, 293 the duplicates between the t"}