CORD-19:5a51f0a5a8d59d0e6598256bbb2a411196bd2d72 / 7811-7928 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T57","span":{"begin":0,"end":117},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"First a PCR step was performed on the synthetic gene fragment with a forward 232 primer that contained a T7 promoter."}