PMC:7195088 / 2200-2414 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T6","span":{"begin":21,"end":22},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T7","span":{"begin":63,"end":64},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ng partly unclear as a result of an incomplete denominator and a possible lack of adjustment for relevant confounding factors [4,5]. Nonetheless, of particular clinical concern at the present time is not the relati"}