WASHINGTON, Feb. 26 /PRNewswire-USNewswire/ -- People who received detailed audio instructions on how to perform cardiopulmonary resuscitation (CPR) demonstrated better compression rate, hand placement and compression depth than those who did not receive recorded instructions by cell phone. Th
Source : http://www.prnewswire.com/news-releases/cpr-instru...
Source : http://www.prnewswire.com/news-releases/cpr-instru...