PMC:7029452 / 28456-28466
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T196","span":{"begin":0,"end":10},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Supplement"}