PMC:7696151 / 6852-7021 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T59","span":{"begin":11,"end":159},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Figure 3.\nThe assessment of bias risk based on a checklist adapted from the Cochrane Handbook for Systematic Reviews of Interventions is reported in Figure 4. The numbe"}