PMC:7386785 / 3207-3503 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T93929","span":{"begin":27,"end":29},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"}],"text":"cipants). We found data on 27 signs and symptoms, which fall into four different categories: systemic, respiratory, gastrointestinal and cardiovascular. No studies assessed combinations of different signs and symptoms and results were highly variable across studies. Most had very low sensitivity"}

{"project":"LitCovid-sentences","denotations":[{"id":"T32","span":{"begin":10,"end":152},"obj":"Sentence"},{"id":"T33","span":{"begin":153,"end":266},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"cipants). We found data on 27 signs and symptoms, which fall into four different categories: systemic, respiratory, gastrointestinal and cardiovascular. No studies assessed combinations of different signs and symptoms and results were highly variable across studies. Most had very low sensitivity"}