PMC:7210464 / 58576-58712 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T522","span":{"begin":0,"end":136},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Seven cities in Zhejiang, Henan, Heilongjiang, and Fujian provinces had adopted the partial shutdown strategy by February 4 (Fang et al."}