PMC:7796329 / 2205-2325
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T19","span":{"begin":25,"end":89},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ppened, and that John F. Kennedy was assassinated by the Central Intelligence Agency [3]. In the U.S., national opinion "}