title: A SIMPLE VERSATILE PULSE DUPLICATOR.
mesh_terms: D006348:Cardiac Surgical Procedures; D004864:Equipment and Supplies; D006339:Heart Rate; D006350:Heart Valve Prosthesis; D006351:Heart Valves; D006801:Humans; D013903:Thoracic Surgery
keywords: EQUIPMENT AND SUPPLIES; HEART SURGERY; HEART VALVE PROSTHESIS; HEART VALVES