PMC:7281378 / 10268-10498 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T91858","span":{"begin":181,"end":182},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"analysis.\nThe experimental studies which did not report the natural cases were excluded from the analysis.\nThe reviews, letters, editorials, conference proceedings, and articles in a language other than English were not included i"}

{"project":"LitCovid-sentences","denotations":[{"id":"T72","span":{"begin":10,"end":106},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"analysis.\nThe experimental studies which did not report the natural cases were excluded from the analysis.\nThe reviews, letters, editorials, conference proceedings, and articles in a language other than English were not included i"}