CORD-19:02a009e42054081b441d0f4b203679c4b0cae38d / 16580-16673 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T114","span":{"begin":0,"end":93},"obj":"Sentence"},{"id":"T18537","span":{"begin":0,"end":93},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"On days 7, 11, 14, 17, 21 and 28 1.2 mL of culture supernatant was collected and frozen down."}