TY  - SER
AU  - Son N Do
TI  - Survival after out-of-hospital cardiac arrest, Viet Nam: multicentre prospective cohort study 
KW  - Emergency Medical Services
KW  - Middle Aged
KW  - Out-of-Hospital Cardiac Arrest
KW  - mortality
KW  - Survival Analysis
KW  - Transportation of Patients
KW  - Vietnam
KW  - epidemiology
ER  -