PMC:7019868 / 6492-6513 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T44","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T45","span":{"begin":5,"end":21},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2.1. Ethics Statement"}