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Are two or four hands needed for elderly female bystanders to achieve the required chest compression depth https://t.co/TwNIhHmNPf #sjtrem
Are two or four hands needed for elderly female bystanders to achieve the required chest compression depth https://t.co/TwNIhHmNPf #sjtrem
Are two or four hands needed for elderly female bystanders to achieve the required chest compression depth dur... https://t.co/XXLzyuDPVH