CORD-19:ee0a7632371a08727d41e55aad7d621daeceef7d / 892003-892135 JSONTXT

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    CORD-19-Sentences

    {"project":"CORD-19-Sentences","denotations":[{"id":"T91591","span":{"begin":0,"end":132},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Moreover, the reliable and reproducible extraction of the low abundance and short fetal ccfDNA fragments is technically challenging."}

    CORD-19_Custom_license_subset

    {"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T138","span":{"begin":0,"end":132},"obj":"Sentence"}],"text":"Moreover, the reliable and reproducible extraction of the low abundance and short fetal ccfDNA fragments is technically challenging."}