PMC:7050133 / 28906-29085 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T175","span":{"begin":0,"end":179},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Another important piece of findings is that we detected the effect of the national efforts taken by China from the beginning when they were in position till the end of this study."}