PMC:7075884 / 34707-34734 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T253","span":{"begin":0,"end":27},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Error bars are SEM (n ≥ 3)."}