PMC:7267243 / 53-82 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":6,"end":14},"obj":"Sentence"},{"id":"T4","span":{"begin":15,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"t al\n\nAbstract\nSummary\n\nObjec"}