Australia / Humans / Female / Male / Follow-up studies / Aged / Public health systems and services research / Survival Rate / Retrospective Studies / Aortic Valve / Aged / Public health systems and services research / Survival Rate / Retrospective Studies / Aortic Valve
Los Angeles / Chicago / Emergency Medical Services / Cardiac arrest / Humans / New York City / Clinical Sciences / Cardiopulmonary Resuscitation / Adult / Survival Rate / Cohort Studies / New York City / Clinical Sciences / Cardiopulmonary Resuscitation / Adult / Survival Rate / Cohort Studies