PMC:7269710 / 9001-9092 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T75","span":{"begin":47,"end":73},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" primary case for each of the three clusters.\n\nRole of the funding source\nThis study receiv"}