PMC:7212965 / 1262-1387 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T14","span":{"begin":74,"end":75},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"erarchal study selection process to identify unique cohorts. We performed a meta-analysis of 47 studies including 10,890 uniq"}