CORD-19:4abc50cfc81265083d4cb2aed0a493bb704d0b5b / 44772-44917 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T221","span":{"begin":0,"end":145},"obj":"Sentence"},{"id":"T64951","span":{"begin":0,"end":145},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To increase delivery efficiency, viral vectors, such as adenoviruses [127] [128] [129] or lentiviruses [130] , were used to express these siRNAs."}