CORD-19:12ce8410d1ca0fa6f438c4f22bd92af6f8b78f04 / 17047-17155
Annnotations
CORD-19_Custom_license_subset
{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T138","span":{"begin":0,"end":108},"obj":"Sentence"}],"text":"In the samples of purified virus used here, there were no major contaminants visible by electron microscopy."}
CORD-19-Sentences
{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T138","span":{"begin":0,"end":108},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the samples of purified virus used here, there were no major contaminants visible by electron microscopy."}