PMC:7172841 / 15363-15426 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T119","span":{"begin":0,"end":63},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Bars in each graphic represent mean values and standard errors."}

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T94402","span":{"begin":10,"end":15},"obj":"PR:000001136"}],"text":"Bars in each graphic represent mean values and standard errors."}