Medicine
Coronavirus disease 2019 (COVID-19)
Meta-analysis
Incidence (geometry)
Internal medicine
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Return of spontaneous circulation
2019-20 coronavirus outbreak
MEDLINE
Cardiology
Cardiopulmonary resuscitation
Emergency medicine
Outbreak
Resuscitation
Pathology
Disease
Infectious disease (medical specialty)
Physics
Political science
Law
Optics