PMC:7212965 / 33030-33130 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T268","span":{"begin":32,"end":43},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"tatory symptoms as triggers for testing, as these symptoms have been demonstrated to occur in up to "}