PMC:7795804 / 4955-5070 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T32","span":{"begin":0,"end":115},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Citizens could access the survey without restrictions and in complete anonymity from 4 May 2020 until 15 June 2020."}