PMC:7212965 / 12775-12866 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T94","span":{"begin":2,"end":46},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":". Bias in the selection of the reported result\nWe considered the domains for each study and"}