title: Objective tests of cardiac contractility before and after three operative procedures designed to improve the coronary circulation.
mesh_terms: D000787:Angina Pectoris / Q000601:surgery; D001450:Ballistocardiography; D002302:Cardiac Output; D001026:Coronary Artery Bypass; D003326:Coronary Circulation; D006321:Heart / Q000503:physiopathology*; D006334:Heart Function Tests; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009204:Myocardial Revascularization; D011183:Postoperative Complications; D011674:Pulse; D013895:Thoracic Arteries / Q000601:surgery