CORD-19:4abc50cfc81265083d4cb2aed0a493bb704d0b5b / 34778-34889 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T171","span":{"begin":0,"end":111},"obj":"Sentence"},{"id":"T42971","span":{"begin":0,"end":111},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"As the next-generation vaccines, nucleic acid-based vaccines have drawn much attention in the past two decades."}