Aortic ball variance. Diagnosis and treatment.
D001018:Aortic Diseases / Q000473:pathology; D001021:Aortic Valve; D001344:Autopsy; D005500:Follow-Up Studies; D006326:Heart Auscultation; D006349:Heart Valve Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000473:pathology / Q000628:therapy*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008943:Mitral Valve; D010701:Phonocardiography; D011859:Radiography