Özsöyler, I., Lafci, B., Emrecan, B., Kestelli, M., Bozok, S., Özbek, C., Yesil, M. and Gürbüz, A. (2006) “Aortic Valve Replacement in True Severe Aortic Stenosis with Low Gradient and Low Ejection Fraction”, The Heart Surgery Forum, 9(4), pp. E681-E685. doi: 10.1532/HSF98.20061039.