PMC:7283670 / 139-157 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":0,"end":8},"obj":"Sentence"},{"id":"T5","span":{"begin":9,"end":17},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Abstract\nAbstract\n"}