
PMC:7265874 / 1979-2055
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T16","span":{"begin":21,"end":76},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" range 56–77) years. Underlying comorbidities were primarily cardiovascular."}