PMC:7341464 / 7670-7812 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T66","span":{"begin":102,"end":103},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"hospital visits were limited when possible. Also, our study was performed prospectively, and included a control group. Furthermore, our questi"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T9","span":{"begin":112,"end":117},"obj":"Chemical"}],"attributes":[{"id":"A9","pred":"chebi_id","subj":"T9","obj":"http://purl.obolibrary.org/obo/CHEBI_24433"}],"text":"hospital visits were limited when possible. Also, our study was performed prospectively, and included a control group. Furthermore, our questi"}

{"project":"LitCovid-sentences","denotations":[{"id":"T106","span":{"begin":44,"end":118},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"hospital visits were limited when possible. Also, our study was performed prospectively, and included a control group. Furthermore, our questi"}