PMC:7537094 / 154-184 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":11,"end":19},"obj":"Sentence"},{"id":"T5","span":{"begin":20,"end":28},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"RO et al.\n\nAbstract\nAbstract\nU"}