CORD-19:4abc50cfc81265083d4cb2aed0a493bb704d0b5b / 7966-8073 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T43","span":{"begin":0,"end":107},"obj":"Sentence"},{"id":"T73631","span":{"begin":0,"end":107},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Importantly, the Vero cell line has a long history of being used in vaccines without safety concerns [25] ."}