PMC:7696151 / 94643-94841 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T604","span":{"begin":72,"end":182},"obj":"Sentence"},{"id":"T605","span":{"begin":184,"end":188},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" exclude the manuscripts that did not fit the criteria described above. Additional papers were added to this review after the analysis of the bibliography from the included articles.\n\n3.3. Data extr"}