The place that might have the lowest survival chance of cardiac arrest is ______.
Which of the following is lest important than the other three in the first-time-treatment of cardiac arrest?
Wherever you are in the U. S., the most important factor in surviving cardiac arrest is ______.
According to paragraph 1, what can we know about cardiac arrest?
Why does Seattle have a better survival rate of cardiac arrest than other cities?
心性哮喘(cardiac asthma)