PMC:7102659 / 10809-10912 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T43","span":{"begin":48,"end":50},"obj":"http://purl.obolibrary.org/obo/CLO_0001022"},{"id":"T44","span":{"begin":48,"end":50},"obj":"http://purl.obolibrary.org/obo/CLO_0007314"}],"text":"al retrospective studies. Among them data in R. Li et al. (2020) are daily symptom onset records, while"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1","span":{"begin":48,"end":50},"obj":"Chemical"}],"attributes":[{"id":"A1","pred":"chebi_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/CHEBI_30145"}],"text":"al retrospective studies. Among them data in R. Li et al. (2020) are daily symptom onset records, while"}

{"project":"LitCovid-sentences","denotations":[{"id":"T90","span":{"begin":26,"end":47},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"al retrospective studies. Among them data in R. Li et al. (2020) are daily symptom onset records, while"}