Retention of CPR Skills Learned in A Brief Educational Video with Short Time Self Training versus Mastery Learning for Training Lay Responders in Hands only Cardiopulmonary Resuscitation A Controlled Randomized Study

Retention of CPR skills learned in a brief educational video with short time self-training versus mastery learning for training lay responders in Hands-only Cardiopulmanary resuscitation: a controlled randomized study