PMC:7143846 / 6541-6629 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T49","span":{"begin":2,"end":78},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":". Third, their regional authentication is in China, not “overseas” or “other”.\nWe acquir"}