PMC:7796329 / 63260-63297
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T523","span":{"begin":0,"end":37},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, there are a few differences."}