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CORD-19:12f9d385be20fc59e52070d0ce51daa580ec0f0c / 16961-17031
Annnotations
CORD-19_Custom_license_subset
{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T111","span":{"begin":0,"end":70},"obj":"Sentence"}],"text":"In addition, clearly defined at-risk controls were used in this study."}
CORD-19-Sentences
{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T111","span":{"begin":0,"end":70},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In addition, clearly defined at-risk controls were used in this study."}