PMC:7279430 / 106-139 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":17,"end":25},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"o Investigation\n\nAbstract\nEssenti"}