PMC:7445716 / 83561-83676 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T489","span":{"begin":0,"end":115},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Nevertheless, only further analyses on more comprehensive cohorts could help in clarifying better all these issues."}