PMC:7784824 / 706-769
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T14","span":{"begin":44,"end":57},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"OVID-19 cases with negative molecular test.\nStudy design: Twent"}