PMC:7441788 / 19119-19228
Annnotations
LitCovid-sample-sentences
{"project":"LitCovid-sample-sentences","denotations":[{"id":"T142","span":{"begin":0,"end":109},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Single-center design; missing of some variables; Potential for inaccuracies in the electronic health records."}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T142","span":{"begin":0,"end":109},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Single-center design; missing of some variables; Potential for inaccuracies in the electronic health records."}