PMC:7172841 / 34420-34484 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T317","span":{"begin":59,"end":63},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Paired comparisons were done by the Wilcoxon’s rank-signed test."}

{"project":"LitCovid-sentences","denotations":[{"id":"T270","span":{"begin":0,"end":64},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Paired comparisons were done by the Wilcoxon’s rank-signed test."}