Look and learn.
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D016887:Cardiopulmonary Resuscitation / Q000193:education* / Q000592:standards*; D016250:Compact Disks; D019317:Evidence-Based Medicine; D006266:Health Education / Q000379:methods*; D006801:Humans; D011380:Programmed Instructions as Topic; D016032:Randomized Controlled Trials as Topic; D014741:Video Recording