PMC:7386785 / 63798-63943 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T408","span":{"begin":16,"end":17},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T409","span":{"begin":91,"end":92},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Because this is a living systematic review, future updates may offer the possibility to do a meta‐analysis, which was not possible at this stage."}

{"project":"LitCovid-sentences","denotations":[{"id":"T556","span":{"begin":0,"end":145},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Because this is a living systematic review, future updates may offer the possibility to do a meta‐analysis, which was not possible at this stage."}