PMC:7283670 / 59575-59610
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T626","span":{"begin":19,"end":35},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Primary (28 days): 28 day mortality"}