Bystander cardiopulmonary resuscitation in prehospital cardiac arrest patients in Singapore.
D000368:Aged; D016887:Cardiopulmonary Resuscitation / Q000193:education / Q000706:statistics & numerical data*; D004554:Electric Countershock / Q000706:statistics & numerical data; D004638:Emergency Treatment; D005392:First Aid / Q000706:statistics & numerical data*; D006266:Health Education; D006323:Heart Arrest / Q000628:therapy*; D006801:Humans; D008875:Middle Aged; D012846:Singapore