PMC:7781502 / 17940-18082 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T175","span":{"begin":0,"end":142},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"4 China n = 71 France n = 114 USA n = 59 Brazil n = 35   Spain n = 84 Canada n = 37 Iran n = 51 UK n = 49 China, UK n = 22"}