PMC:7278640 / 910-957 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":0,"end":47},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We identified 1,308 eligible registered trials."}