Artículos Risk factors for SARS-CoV-2 among patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre primary care network Artículos Archivos adjuntos Risk factors for SARS-CoV-2 among patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre primary care network 754 descargas Temas relacionados COVID-19 Subgrupos Grupos de Riesgo Epidemiología