PMC:7281378 / 919-1115 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T90165","span":{"begin":23,"end":24},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"populations worldwide. A total of 281 articles were found eligible through screening of PubMed and Google Scholar databases and hence were included in this systematic review. The highest number of"}

{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":23,"end":174},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"populations worldwide. A total of 281 articles were found eligible through screening of PubMed and Google Scholar databases and hence were included in this systematic review. The highest number of"}