PMC:7795931 / 40575-40612 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T255","span":{"begin":0,"end":37},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This paper also has some limitations."}