PMC:7796176 / 34520-34532
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T277","span":{"begin":0,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Age in years"}