PMC:7795966 / 9173-9262 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T71","span":{"begin":0,"end":89},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Exactly when the measurements were performed during the disease course was not mentioned."}