PMC:7396557 / 103181-103226
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T777","span":{"begin":0,"end":45},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"There are some limitations within this paper."}