PMC:7394275 / 3130-3270 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T20","span":{"begin":0,"end":140},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The title, abstract, and full text of related articles determined according to these search criteria were carefully reviewed by the authors."}