PMC:7210464 / 49205-49242 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T419","span":{"begin":0,"end":37},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Social and economic mediating factors"}