PMC:7386785 / 30378-30433
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T334","span":{"begin":0,"end":55},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Pairs of review authors independently screened studies."}