PMC:7029452 / 21838-21934 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T131","span":{"begin":26,"end":27},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"n 1 m and 2 m was made on a case-by-case basis, depending on the type and length of interaction."}