The cardiologist in the Third World.
D006348:Cardiac Surgical Procedures; D002309:Cardiology / Q000295:instrumentation; D002318:Cardiovascular Diseases / Q000188:drug therapy; D003906:Developing Countries; D004452:Echocardiography; D004562:Electrocardiography; D006801:Humans; D007753:Laboratories; D013019:South Africa