PMC:7160614 / 29135-29293 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T185","span":{"begin":59,"end":60},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T186","span":{"begin":87,"end":88},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"First, the sample size is relatively small because this is a retrospective analysis of a new disease and most of the cases outside of Wuhan City are imported."}

{"project":"LitCovid-sentences","denotations":[{"id":"T310","span":{"begin":0,"end":158},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"First, the sample size is relatively small because this is a retrospective analysis of a new disease and most of the cases outside of Wuhan City are imported."}