PMC:7796152 / 26274-26376 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T214","span":{"begin":0,"end":102},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The sample included only older adults who answered the telephone at the moment the researchers called."}