PMC:7781500 / 22721-22823 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T222","span":{"begin":0,"end":16},"obj":"Sentence"},{"id":"T223","span":{"begin":17,"end":102},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue."}