PMC:7796111 / 25109-25175
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T174","span":{"begin":0,"end":66},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 5 stratifies these reported frequencies across year groups."}