PubMed:28571798 / 57-209 JSONTXT

{"project":"Inflammaging","denotations":[{"id":"T2","span":{"begin":0,"end":152},"obj":"Sentence"},{"id":"T2","span":{"begin":0,"end":152},"obj":"Sentence"}],"text":"Viruses have long been implicated in the pathogenesis of classical encephalitis lethargica, which was first described by Constantin von Economo in 1917."}