PubMed:32321075 / 1087-1181 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":0,"end":94},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The age bracket over 60 years was the most heavily affected, at higher than historical levels."}