title: EVALUATION OF THE DEGREE OF AORTIC VALVE STENOSIS BY DIRECT ROENTGENOLOGIC MEASUREMENT OF THE OSTIUM.
mesh_terms: D000790:Angiocardiography; D000792:Angiography; D001011:Aorta; D001013:Aorta, Thoracic; D001021:Aortic Valve; D001024:Aortic Valve Stenosis; D006328:Cardiac Catheterization; D003287:Contrast Media; D004562:Electrocardiography; D006326:Heart Auscultation; D006801:Humans; D011300:Preoperative Care; D011651:Pulmonary Artery; D011677:Punctures
chemical_list: D003287:Contrast Media
keywords: ANGIOCARDIOGRAPHY; ANGIOGRAPHY; AORTA, THORACIC; AORTIC VALVE; AORTIC VALVE STENOSIS; CONTRAST MEDIA; ELECTROCARDIOGRAPHY; HEART AUSCULTATION; HEART CATHETERIZATION; PREOPERATIVE CARE; PULMONARY ARTERY; PUNCTURES