PMC:7267510 / 105-131 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":3,"end":11},"obj":"Sentence"},{"id":"T4","span":{"begin":12,"end":20},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":".\n\nAbstract\nAbstract\n\nBack"}