PMC:7143846 / 6250-6307 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T32","span":{"begin":41,"end":47},"obj":"http://purl.obolibrary.org/obo/CLO_0001658"}],"text":"clusion criteria were employed to select active Weibo use"}