PMC:7696151 / 109537-109621
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T745","span":{"begin":0,"end":84},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"It is not a blinded study and so the bias in reporting improvement could be present."}