PMC:7321036 / 59-83 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":3,"end":11},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"n\n\nAbstract\nThe causativ"}