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PMC:7417187 / 9629-9674
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T75","span":{"begin":3,"end":4},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"F) A frequent follow-up visit to the hospital"}