President's message: training in echocardiography in the multimodality era.
Zoghbi
William A
WA
D002309:Cardiology / Q000193:education*; D004452:Echocardiography; D007396:Internship and Residency; D011871:Radiology / Q000193:education*; D013382:Subtraction Technique; D014481:United States