CORD-19:02a009e42054081b441d0f4b203679c4b0cae38d / 11441-11512
Annnotations
CORD-19-Sentences
{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T77","span":{"begin":0,"end":71},"obj":"Sentence"},{"id":"T90736","span":{"begin":0,"end":71},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"For each experiment pre-sera from animals served as a negative control."}