PMC:7031769 / 5451-5506 JSONTXT

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{"project":"LitCovid-PD-CLO","denotations":[{"id":"T50","span":{"begin":46,"end":47},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" past 15 years, should people exercise during a coronav"}