PMC:7796344 / 9783-10086 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T62","span":{"begin":122,"end":255},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" mass gatherings and public health issues, with respondents permitted to select more than one response in some questions.\nThe questionnaire was reviewed for face and content validity by members of the research team and experts in public health in the MOH. Validity testing was followed by piloting with "}