PMC:7175914 / 3010-3136 JSONTXT

{"project":"2_test","denotations":[{"id":"32334117-32145465-50061999","span":{"begin":39,"end":43},"obj":"32145465"},{"id":"T95443","span":{"begin":39,"end":43},"obj":"32145465"}],"text":"([Chinazzi et al., 2020], [Lin et al., 2020]).\nUntil now, there are only few researches about the effects of different populat"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T2","span":{"begin":27,"end":30},"obj":"Chemical"}],"attributes":[{"id":"A2","pred":"chebi_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/CHEBI_32386"}],"text":"([Chinazzi et al., 2020], [Lin et al., 2020]).\nUntil now, there are only few researches about the effects of different populat"}