PMC:7229913 / 12812-12902 JSONTXT

{"project":"LitCovid-PD-MONDO","denotations":[{"id":"T78","span":{"begin":72,"end":80},"obj":"Disease"}],"attributes":[{"id":"A78","pred":"mondo_id","subj":"T78","obj":"http://purl.obolibrary.org/obo/MONDO_0100096"}],"text":"In the present study, we investigated the natural factors affecting the COVID-19 pandemic."}

{"project":"LitCovid-sentences","denotations":[{"id":"T96","span":{"begin":0,"end":90},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the present study, we investigated the natural factors affecting the COVID-19 pandemic."}