The current state of cardiology in Spain.
Cheng
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D002309:Cardiology; D002404:Catheterization; D003226:Congresses as Topic; D016027:Heart Transplantation / Q000706:statistics & numerical data; D006801:Humans; D008511:Medicine; D008946:Mitral Valve Stenosis / Q000628:therapy; D012907:Smoking / Q000453:epidemiology; D012955:Societies, Medical; D013030:Spain; D013038:Specialization