PMC:7143846 / 512-591 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T7","span":{"begin":47,"end":53},"obj":"http://purl.obolibrary.org/obo/CLO_0001658"}],"text":"sample and analyze the Weibo posts from 17,865 active Weibo users using the app"}