PMC:7210464 / 67507-67549 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T619","span":{"begin":0,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Observations 8064 8064 8064 8064 8064 8064"}