Echocardiography in emergency medicine: a policy statement by the American Society of Echocardiography and the American College of Cardiology. Task Force on Echocardiography in Emergency Medicine of the American Society of Echocardiography and the Echocardiography and Technology and Practice Executive Committees of the American College of Cardiology.
Source:http://linkedlifedata.com/resource/pubmed/id/9973044
