PMC:7646269 / 4807-4835
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T49","span":{"begin":0,"end":28},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The median age was 79 years."}