PMC:7265874 / 2000-2055
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T16","span":{"begin":0,"end":55},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Underlying comorbidities were primarily cardiovascular."}