PMC:7461420 / 89-120 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":8,"end":16},"obj":"Sentence"},{"id":"T5","span":{"begin":17,"end":25},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"et al.\n\nAbstract\nAbstract\nCoron"}