PMC:7696151 / 112810-112951 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T762","span":{"begin":0,"end":141},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"No analytical approach has been made to take into account possible factors of confusion, including in particular the severity of the disease."}