Subjects: MENTAL health surveys; QUALITY control; WORLD Health OrganizationQATAR
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Subjects: MENTAL health surveys; COVID-19 pandemic; TELEPHONE interviewing
Subjects: MENTAL health surveys; WORLD health; COVID-19 pandemicQATAR; ARABIAN Peninsula
Subjects: AGE groups; COVID-19 pandemic
Subjects: COVID-19; PROFESSIONS; COVID-19 vaccinesQATAR
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