PMC:7212965 / 1202-1383 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T13","span":{"begin":56,"end":57},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T14","span":{"begin":134,"end":135},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" framework.\n\nResults\nWe identified 118 studies and used a hierarchal study selection process to identify unique cohorts. We performed a meta-analysis of 47 studies including 10,890 "}

{"project":"LitCovid-sentences","denotations":[{"id":"T9","span":{"begin":13,"end":20},"obj":"Sentence"},{"id":"T10","span":{"begin":21,"end":120},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" framework.\n\nResults\nWe identified 118 studies and used a hierarchal study selection process to identify unique cohorts. We performed a meta-analysis of 47 studies including 10,890 "}