PMC:7253233 / 71-143 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":24,"end":32},"obj":"Sentence"},{"id":"T4","span":{"begin":33,"end":43},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" There an Association?\n\nAbstract\nBackground\nThe coronavirus disease of 2"}