PMC:7781500 / 14597-14736 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T168","span":{"begin":0,"end":139},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Use of PPE during working in hospital by healthcare workers (n = 150)   RT-PCR positive n=39 (26%)   RT-PCR negative n=111 (74%) p-value"}