PMC:7510993 / 27869-27961 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T140","span":{"begin":43,"end":44},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T141","span":{"begin":59,"end":60},"obj":"http://purl.obolibrary.org/obo/CLO_0001021"},{"id":"T142","span":{"begin":75,"end":76},"obj":"http://purl.obolibrary.org/obo/CLO_0001021"},{"id":"T143","span":{"begin":91,"end":92},"obj":"http://purl.obolibrary.org/obo/CLO_0001021"}],"text":"Relative frequency of visitors 154 (±329) a 36.1 (±65.4) b 73.8 (±97.4) b 16.4 (±27.2) b"}

{"project":"LitCovid-sentences","denotations":[{"id":"T142","span":{"begin":0,"end":92},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Relative frequency of visitors 154 (±329) a 36.1 (±65.4) b 73.8 (±97.4) b 16.4 (±27.2) b"}