CORD-19:4abc50cfc81265083d4cb2aed0a493bb704d0b5b / 31811-32006 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T157","span":{"begin":0,"end":195},"obj":"Sentence"},{"id":"T67175","span":{"begin":0,"end":195},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"It should also be noticed that, for therapeutic use of a vaccine given by injection, the expressed proteins must be extensively purified, which would likely render this approach cost-ineffective."}