PMC:7795804 / 6797-6923 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T45","span":{"begin":112,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"articipants were not asked to provide name, date of birth, residency, and/or job to ensure complete anonymity.\n\n2.2. Statistic"}