PMC:7784824 / 446-561 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T10","span":{"begin":22,"end":69},"obj":"Sentence"},{"id":"T11","span":{"begin":70,"end":81},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"lecular confirmation. Two case reports are presented as illustration.\nObjectives: The aim of this study was to eval"}