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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Student Health Services / COVID-19 Testing / SARS-CoV-2 / COVID-19 / Antigens, Viral Type of study: Diagnostic_studies / Prognostic_studies Limits: Adolescent / Adult / Female / Humans / Male / Middle aged Country/Region as subject: America do norte Language: En Journal: MMWR Morb Mortal Wkly Rep Year: 2021 Type: Article

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Student Health Services / COVID-19 Testing / SARS-CoV-2 / COVID-19 / Antigens, Viral Type of study: Diagnostic_studies / Prognostic_studies Limits: Adolescent / Adult / Female / Humans / Male / Middle aged Country/Region as subject: America do norte Language: En Journal: MMWR Morb Mortal Wkly Rep Year: 2021 Type: Article