PMC:7589389 / 75350-75389 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T773","span":{"begin":0,"end":39},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Observations 160,744 160,744 160,744"}