PMC:7210464 / 20079-20195 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T129","span":{"begin":0,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 3 plots the Baidu index of population flow out of Wuhan and compares its values this year with those in 2019."}