PMC:7170399 / 7863-7879
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T64","span":{"begin":0,"end":16},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"None to declare."}