PMC:7796344 / 10911-11107 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T71","span":{"begin":0,"end":196},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Those who agreed were administered the questionnaire by one of the 22 trained personnel who recorded the responses electronically into an automated dataset that excluded incomplete questionnaires."}