1. 1. Aoyagi S, Tayama K, Okazaki T, et al. Structural valve deterioration in a starr-edwards mitral caged-disk valve prosthesis. Circ J 77: 105-108, 2013.
2. 2. Sakamoto Y, Hashimoto K. Development of prosthetic valves. The Journal of Adult Diseases 44: 859-864, 2014.
3. 3. Aoyagi S, Fukunaga S, Tayama E, Arinaga K, Oda T, Kosuga T. Long-term survivors after valve replacement with a Starr-Edwards mitral disk valve prosthesis. Artif Organs 30: 484-487, 2006.
4. 4. Brown JW, Myerowitz PD, Cann MS, Colvin SB, McIntosh CL, Morrow AG. Clinical and hemodynamic comparisons of Kay-Shiley, Starr-Edwards No. 6520, and Reis-Hancock porcine xenograft mitral valves. Surgery 76: 983-991, 1974.
5. 5. Nakano S, Mori T, Ohyama C, et al. [Late results of mitral valve replacement with Starr-Edwards low profile disc valve]. Kyobu Geka (The Japanese Journal of Thoracic Surgery) 31: 440-445, 1978 (in Japanese).