title: Measurements of the ball position in a mitral-valve Starr-Edwards prosthesis in the intact dog.
mesh_terms: D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D055590:Electromagnetic Phenomena; D004582:Electronics, Medical; D006326:Heart Auscultation; D006350:Heart Valve Prosthesis; D008722:Methods; D008943:Mitral Valve; D013997:Time Factors